A single amino acid is coded for by a three-nucleotide sequence on messenger RNA. It aids in the conversion of a polypeptide chain from an mRNA message.
Only the genome's transcribed sequences can be found in an ESTs sequence database.
A brief sub-sequence and distinctive stretch of DNA in a gene's coding region is known as an expressed sequence tag (EST), which is helpful for identifying full-length genes. a DNA sequence that is expressed and codes for a protein.
Expressed sequence tags (ESTs) are comparatively short DNA sequences (about 200–300 nucleotides) that are typically produced from the 3′ ends of cDNA clones. PCR primers can be developed from ESTs and used to identify the presence of the particular coding sequence in genomic DNA.
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Use the drop-down menus to identify whether the phrase describes asexual or sexual reproductionfour daughter cellstwo daughter cellsmeiosis mitosis genetic variation identical DNA fertilization
Use the drop-down menus to identify whether the phrase describes asexual or sexual reproduction four daughter cellstwo daughter cellsmeiosis mitosis genetic variation identical DNA fertilization
The process of reproduction in cells that does not involve joining gametes that is known as asexual reproduction. The process of joining gametes that is an egg cell and a sperm cell for reproduction is known as sexual reproduction.
The phrase of sexual reproduction four daughter cells based on genetic variation identical DNA fertilization is to produce gametes, or sex cells. When a parent cell splits into two identical daughter cells of the same size it occurs the process of binary fission. Two daughter cells is asexual reproduction in which they include binary fission, fragmentation, and budding.
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It's complete question is:
Use the drop-down menus to identify whether the phrase describes asexual or sexual reproduction.
four daughter cells - sexual
two daughter cells - asexual
meiosis - sexual
mitosis - asexual
genetic variation - sexual
identical DNA - asexual
fertilization - sexual
Which step in photosynthesis does not need light? (1 point)
O Carbon dioxide and hydrogen combine to make glucose.
Water splits into hydrogen and oxygen.
Chlorophyll absorbs energy.
O Oxygen is released.
Answer:
The fourth step in photosynthesis, known as the Calvin cycle, does not require light.
Explanation:
Which of these material properties for the thermal barrier coating would you select to reduce the operating temperature of the turbine blade?
a. a high thermal conductivity
b. a low thermal conductivity
c. a high thermal expansion coefficient
d. a low thermal expansion coefficient
b. a low thermal conductivity, is the correct option , these material properties for the thermal barrier coating would you select to reduce the operating temperature of the turbine blade.
A low thermal conductivity means that the material does not easily transfer heat. This is desirable for a thermal barrier coating because it acts as an insulator, preventing heat from flowing into the turbine blade and keeping the blade's operating temperature low. In other words, a low thermal conductivity helps to reduce the amount of heat that is transferred from the hot combustion gases to the turbine blade, thus reducing the temperature of the blade. This can help to increase the efficiency and lifespan of the turbine.
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Which of the following observations and inferences led Charles Darwin to his theory of natural selection as a mechanism for evolution?
A
Individuals in a population of any species vary in many heritable traits.
B
Individuals with heritable traits best suited to the local environment will generally produce a disproportionate number of healthy, fertile offspring.
C
A population of any species has the potential to produce far more offspring than will survive to produce offspring of their own.
D
Darwin synthesized his theory of natural selection from all of the listed observations and inferences.
Charles Darwin developed his hypothesis on natural selection as just a process for evolution by combining all of the data and inferences stated above.
Darwin deduced the following conclusions from the following two observations: Although organisms are capable of producing enormous numbers of children, most of these children do not survive, therefore a population's members differ in their heritable features. Darwin's theories on natural selection were shaped by his journey to the Galápagos in 1835. He discovered multiple bird species that were adapted to various environmental niches. The beak shapes, food sources, and methods of food capture varied among the finches as well. Darwin draws two conclusions from just two data points; Population members' inherited features vary among them, according to observation 1. Observation 2: All species have the capacity to have more children than the ecosystem can support, yet a large proportion of these young do not survive and procreate. Various observations regarding the hypothesis of natural selection were made.
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Darwin synthesized his theory of natural selection from all the above observations and hypotheses These observations and hypotheses led Charles Darwin to his theory of natural selection as a mechanism of evolution. Here option D is the correct answer.
Charles Darwin developed his theory of natural selection by synthesizing various observations and hypotheses he made during his travels on the HMS Beagle and through his study of the natural world.
He proposed that natural selection is the mechanism by which species evolve over time through the process of adaptation to their environment.
Darwin's theory of natural selection proposes that within a population of organisms, there is variation in traits. These variations can be inherited by offspring. Those organisms with traits better suited to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring.
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Chemists have determined that elements with atomic numbers greater than 92 are all
radioactive. In general, their half-lives are much shorter than the age of the universe. This
means that they no longer exist in nature and have all been artificially produced by
scientists in nuclear reactions.
Elements 93 through 105 in the periodic table have been created and named, and
scientists have claimed discovery of elements 106 and 107. The transuranium elements,
as they are called, become less stable as the atomic number and mass increase. For
example, element number 93, neptunium, has a half-life of two million years, while
element number 104, kurchatovium, has a half-life of 70 seconds.
The transuranium elements are the heaviest elements that exist and are readily
fissionable when subjected to nuclear bombardment. Chemists studying these elements
and the periodic table predict that stable elements may be found around atomic numbers
114 or 126.
According to the passage, what can we predict about the half-life of element number 105?
It is:
O
A. greater than 2 million years
B. incalculable (not capable of being determined)
C. measured in days or weeks
D. greater than the other transuranium elements
E. less than 70 seconds
Answer:
B. incalculable (not capable of being determined)
Explanation:
The passage states that elements with atomic numbers greater than 92 are all radioactive and that their half-lives are much shorter than the age of the universe. It also states that elements 93 through 105 in the periodic table have been created and named, but it does not provide any information about the half-life of element number 105 specifically, therefore it is incalculable.
Which process do heterotrophs use to supply energy for all of their life
processes?
A. Photosynthesis
OB. Chemosynthesis
OC. Cellular respiration
OD. Digestion
SUBMIT
Answer:
C. Cellular respiration
Answer:
yes...
correct answer is option c...Cellular respiration...
Which of these Punnett squares shows a cross that predicts green peas (y) in half of the offspring?
In the following Punnett squares showing crosses that predict green peas (yy) in half of the offspring are (y, Yy) and (Yy, yy).
The Punnett squares is a diagram designed by Reginald Punnett, hence the name. It is widely used in biology to find out all the probabilities or combinations that can be generated in a gamete and to find out more information about the offspring.
In a Punnett square, all possible combinations will be observed between the dominant allele (which will be written in capital letters) and the recessive allele (which will be written in lowercase). In this way, the probable genotype but not the phenotype will be known. In other words, we can say that it is about knowing one of the basic principles of genetics. That is, examining the genes that are passed on and the chances that children have of getting them.
In terms of the prediction of green beans (yy), half of the offspring are (y, Yy) and (Yy, yy) which are combinations of dominant alleles and recessive alleles.
This question is accompanied by a picture. The blue color mark is the answer
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Calculating Homozygous Dominant Tasters
What frequency of the class are homozygous dominant?
Round to the nearest hundredth. Keep answer as a decimal.
Homozygous dominant in class data:
According to Hardy-Weinberg equilibrium, the homozygous dominant frequency equals the square allelic frequency. In the exposed example, the frequency of the class that are homozygous dominant is p² = 0.462.
To answer this question, we will assume the class is in Hardy-Weinberg equilibrium.
What is the Hardy-Weinberg equilibrium?The Hardy-Weinberg equilibrium is a theory that states that populations that are in equilibrium are not evolving, and hence, their allelic and genotypic frequencies remain the same through generations.
Assuming a diallelic gene,
Allelic frequencies are represented as p and q
p is the frequency of the dominant alleleq is the frequency of the recessive alleleWhen a population is in H-W equilibrium, p + q = 1
Genotypic frequencies are,
p² ⇒ homozygous dominant2pq ⇒ heterozygousq² ⇒ homozygous recessiveWhen a population is in H-W equilibrium, p² + 2pq + q² = 1
Now, to answer this question, we will use data from the class as it was our population.
p = 0.68q = 0.32p + q = 1
Homozygous dominant frequency is p², so,
p² = 0.68² = 0.4624
The frequency of the class that are homozygous dominant is p² = 0.462.
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Answer:
0.46
Explanation:
Figure 1.6 In the example below, the scientific method is used to solve an everydayproblem. Order the scientific method steps (numbered items) with the process of solving the everyday problem (lettered items). Based on the results ofthe experiment, is the hypothesis correct? Ifitis incorrect, propose some alternative hypotheses.1. Observation2. Guestion3. Hypothesis (answer)4. Prediction5. Experiment6. Resulta. There is something wrong with the electrical outlet.» Ifsomething is wrong with the outlet, my coffeemaker also won't work when pluggedinto it.My toaster doesn't toast my bread.1 plug my coffee maker into the outlet.My coffeemaker works.Why doesn't my toaster work?
Based on the scientific method steps (numbered items) with the process of solving the everyday problem (lettered items), the correct hypothesis:
1. Observation: My toaster doesn't toast my bread
2. Question: Why doesn't my toaster work?
3. Hypothesis (answer): There is something wrong with the electrical outlet.
4. Prediction: If something is wrong with the outlet, my coffeemaker also won't work when plugged into it.
5. Experiment: I plug my coffee maker into the outlet.
6. Result: My coffeemaker works.
Thus, the correct order is
1: C
2: F
3: A
4: B
5: D
6: E
The conclusion from the experiment: The hypothesis given by the person аbout the electricаl output is incorrect. Hence, it cаnnot be аccepted. The person thinks thаt the toаster is not working due to a problem with electricаl output, it is proven to be incorrect by testing the coffee mаchine. Hence, аnother hypothesis, which suggests some problem with the toаster cаn be correct.
Your question is incomplete, but most probably your full question can see in the Attachment.
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Which is one function of steroids?
waterproofing leaves and feathers
insulating and protecting bones and organs
serving as chemical messengers
providing energy storage
One of the functions of steroids is that they serve as chemical messengers. That is option C.
What are chemical messengers?Chemical messengers is defined as the components of the body of a living organism known also as hormones which are responsible for the transfer of information from one cell to another.
There are different forms of hormones such as listed below:
lipid-derived (steroid), amino acid-derived, andpeptide.Examples of chemical messengers which are lipid-derived (steroids) are the testosterone and estrogen.
Therefore, steroid hormones can serve as chemical messengers in the body.
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under which conditions are the lac structural genes expressed most efficiently? view available hint(s)for part d under which conditions are the lac structural genes expressed most efficiently? high glucose, no lactose no glucose, no lactose high glucose, high lactose no glucose, high lactose
The lac structural genes are expressed most efficiently when lactose levels are high and glucose levels are low
The lac structural genes are expressed most effectively when glucose is absent and lactose levels are high. Without glucose, CAP can activate the transcription of the structural genes by producing cAMP.
Lac operon transcription is strongly induced when glucose is lacking but lactose is present. The presence of the inducer (allolactose) causes the lac repressor to be released from the operator. Due to the lack of glucose, cAMP levels are high, causing CAP to be active and attached to the DNA.
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5 reasons of why we do collect biological specimen
Scientists often require keeping a stock of biological collections because it is not possible for a scientist to every time go out and get a sample.
What are the requirements of scientist?Scientists may be require which is comparing the several of his biological subjects that might be or not always be found in the area, so it has the important to keep the collection.
It just depends on the type as well as the size of the organism in question. Certain organisms like the butterfly would not be available in the area where the lab has been located.
Therefore, Scientists often require keeping a stock of biological collections because it is not possible for a scientist to every time go out and get a sample.
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a central focus of research at the body farm concerns decomposition, which is mainly comprised of two processes: autolysis and putrefaction. identify which of the following are characteristics of autolysis, putrefaction, or both.
Decomposition is the first step in the process of recycling nutrients used by an organism (plant or animal) to build its body.
It is the process through which dead tissues break down and transform into more fundamental organic forms. These serve as a major source of food for many of the species that make up ecosystem bases. The species that carry out the process of decomposition are called detritivores.
The direct translation of the word "detritivore" is "feeds on dead or decaying organic things." Numerous species of decomposers and cooperate or operate apart from one another. Each is responsible for a certain phase of the breakdown process to autolysis and putrefaction. Because the corpse lacks moisture, the first stage of postmortem decomposition is called initial decay.
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Both in Unit 1 and in Snelgrove’s talk, emphasis is placed on the importance and massiveness of the world’s oceans. Identify some of the facts from both the unit and the video that support this claim.
During his talk, Snelgrove comments that we know more about the Moon or Mars than we do about the deep-sea floor and marine habitat as a whole. Why is this surprising and even ironic?
Snelgrove describes a fishing disaster that occurred where he grew up in Canada in an effort to explain how we are now experiencing “shifting baselines.” Explain what he means by this term.
According to Snelgrove, if you were to suck all of the water out of the ocean, what would you be left with?
Describe what Snelgrove discusses in terms of how the oceans play a part in global collaboration.
Discuss the concerns Snelgrove has regarding the health and safety of our oceans and ocean life.
As he concludes his talk, Snelgrove says, “And as the oceans go, so shall we.” Explain what he means by this statement.
Answer:is try ur hardest
Explanation:is try ur hardest
if a water quality expert were to check the level of dissolved oxygen in the lake water, s/he would find that it ___.
if a water quality expert were to check the level of dissolved oxygen in the lake water, s/he would find that it varies.
The level of dissolved oxygen in lake water can be influenced by a variety of factors such as temperature, water flow, and the presence of pollutants or excess nutrients. In general, colder water can hold more dissolved oxygen than warmer water, and well-oxygenated water typically has a higher dissolved oxygen content than poorly-oxygenated water. Additionally, the presence of pollutants or excess nutrients can lead to an overgrowth of algae and other aquatic plants, which can deplete the dissolved oxygen levels in the water. Therefore, it is important for a water quality expert to conduct regular monitoring of dissolved oxygen levels to ensure that the lake water is healthy for aquatic life.
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true/false. vedatuglucose reacts with oxygen to release energy in the human body. during breathing, oxygen is reduced by donating an electron to hydrogen. in this process, glucose is oxidized and carbon dioxide and water are produced.
The statement is true. In the human body, vedatuglucose and oxygen interact to release energy through the oxidation of glucose.
The oxidation of the glucose results in the production of carbon dioxide and water.
Since energy is produced by the reaction of glucose and oxygen, this process is an oxidation reaction. It is an exothermic reaction and this process releases energy. To produce energy, the human body oxidizes glucose. As a result, the oxygen-based reaction is known as a "oxidation reaction."
Energy being released in the respiratory system is a sign that the event is exothermic. When we consume, food degrades and creates glucose. Energy is created in the human body when oxygen and glucose interact.
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almost all roaches are disease-filled. the local garbage pit is overrun with millions of roaches. which of the following is true?
D) The garbage pit is likely to be disease-filled is true of the following given statements relates to local garbage pit
What in your home draws roaches or cockroaches?In the sink, dirty dishes.Crumbs on the counters or on the floors.Garbage.On the ground is pet food.Excessively wetness.Do unclean dishes attract roaches?When it comes to nutrition, cockroaches have no prejudices. They will happily eat everything, even grains and meat, so they will likely be drawn to any debris on your filthy dishes.
Do cockroaches aid in decomposition?Cockroaches are frequently discovered in the compost of many gardeners who maintain a pile or bin for their waste. Although cockroaches aren't ’s impending to be helpful insects, they play an important role in our ecology. They are recyclers who aid in the breakdown or ingestion of our garbage.
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almost all roaches are disease-filled. the local garbage pit is overrun with millions of roaches. which of the following is true?
A) The garbage pit is disease-filled.
B) There are some disease-free roaches in the garbage pit
C) The garbage pit is completely free of disease.
D) The garbage pit is likely to be disease-filled.
E) None of the other answers
Use the following simple predator-prey relationships to answer the other interactions exist in this system): Mice question (assume no mice are consumed cat grain grown by farmer before it can be harvested The by several species of snakes, which themselves are consumed by hawks population of snakes were suddenly wiped out by disease, the explain the mice; and hawk populations, and long- tem effects on the grain_ why these effects would be observed.
In this predator-prey system, mice are prey for various snake species, which are then eaten by hawks. If snakes were suddenly wiped out by illness, the mouse population.
would most likely expand since there would be fewer predators to keep them in check. As a result, the hawk population is expected to decline since there will be less food available for them to devour. In terms of the farmer's grain, the long-term consequences are anticipated to be good. With more mice, there would be greater predation on the grain and less agricultural damage. However, it is worth mentioning that a rise in mouse population might be troublesome for farmers, who may need to take precautionary steps.consumed cat grain grown by farmer before it can be harvested The by several species of snakes, which themselves are consumed by hawks population of snakes were suddenly wiped out by disease, the explain the mice; and hawk populations, and long- tem effects on the grain.
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a cell has a circular chromosome and histone proteins associated with its dna, but lacks a nuclear membrane. choose the domain of the cell with the best justification. the cell belongs to eubacteria because it lacks a nuclear membrane, which is present in eukaryotes but absent in eubacteria and archaea. the cell belongs to archaea because it has histone proteins, which are present in archaea and eubacteria but absent in eukaryotes. the cell belongs to archaea because it has histone proteins, which are present in archaea and eukaryotes but absent in bacteria. the cell belongs to eukarya because it has a circular chrom
The cell belongs to Archaea because it has histone proteins, which are present in Archaea and Eukaryota but absent in Eubacteria.
Only the Archaea domain can accommodate a cell lacking a nuclear membrane but having a circular chromosome and histone proteins linked to its DNA.
The group of prehistoric bacteria known as Archaea shares characteristics with both eukaryotes and eubacteria.
Both archaea and eukaryotes have histone protein-associated DNA, but eukaryotes have numerous linear chromosomes rather than just a single circular one. Additionally, eukaryotes have a nuclear membrane, whereas archaea have not. On the other hand, whereas Eubacteria and Archaea both have a single circular chromosome, Eubacteria's DNA is not linked to histones.
These factors make it clear that the described cell belongs to the Archaea domain.
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a heterozygous plant carries two alleles for stem height: tall (t) and dwarf (t). during meiosis two kinds of gametes are produced. some gametes carry the t allele and some carry the t allele. this is best described by and results from (choose all that apply)
The best described by and results from during meiosis, some gametes carry the T allele and some carry the t allele is the selfing of F1 (F1 x F1 cross).
Selfing of F1 hybrids is conducted by Mendel to prove the Mendeliаn genetics. In а gene there аre two types one is dominаnt аnd other one is recessive. For tаll plаnt when the gene is homozygous TT (dominаnt) аnd its cаlled pure vаriety similаrly we hаve 4 genotypes (genetic composition is genotype). They аre TT, Tt, tT аnd tt. Mendel tried his experiment on peа plаnt with the аbove genotypes. While crossing one pure vаriety of tаll (TT) аnd one pure vаriety of dwаrf (tt) the first generаtion hаd only tаll vаriety exhibited (F1).
When the sаme experiment wаs cаrried within the F1 the F2 hаd tаll аnd dwаrf vаriety in the rаtio 3 : 1 (3 tаll аnd 1 dwаrf). Thus it is evident thаt in Mendeliаn genetics recessive genes mаy skip generаtion аnd exhibit аs а phenotype (chаrаcter exhibited).
Your question is incomplete, but most probably your full options were
a. The selfing of F1 (F1 x F1 cross)
b. Mendel's Law of Segregation
c. Mendel’s Law of Independent Assortment
d. First meiotic division
e. Second meiotic division
Thus, the correct option is A.
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If a mutation occurs in the hypoblast cells of a bilaminar embryo, one might expect birth defects to be present in the..
If a mutation occurs in the hypoblast cells of a bilaminar embryo, one might expect birth defects to be present in embryonic and fetal development.
Specifically in the formation of the embryonic and fetal layers, such as the endoderm and the mesoderm. These layers give rise to many of the body's structures including the organs, muscles, and bones.
Therefore, it may lead to congenital malformations, which can affect multiple organ systems and cause significant health problems. It could also have a large impact on the development and function of the gut.
The formation of the neural crest cells gives rise to many different cell types including neurons and glia, as well as bones, cartilage, and pigment cells.
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Cross a homozygous dominant fruit with a heterozygous fruit. What percentage of their offspring will have yellow fruit?
Answer: 25% of their offspring will have yellow fruit
Explanation:
drag the label for each part of the nervous system into the correct location on the chart. when all the labels have been placed, select the check answer button.
The central nervous system integrates and stores information, controls subconscious actions, controls conscious activities, somatic nervous system carries sensory information from the skin, while the autonomic nervous system innervates the heart and innervates the muscles.
Peripheral and central nervous systems are the two types of nervous systems found in the body. The spinal cord and the brain are the two constituent elements of CNS. it regulates a variety of functions, including those that are under our conscious control, like locomotion, as well as those that are not, like breathing rate, vomiting, etc. They also combine all the sensory data received from various sensory neuronal pathways, interpret it, send an output signal, and store necessary data.
The peripheral nervous system's somatic system is in charge of transmitting motor and sensory data to and from the central nervous system. This system consists of sensory organs, skeletal muscles, and skin-connected nerves. It controls all the voluntary actions. The autonomic nervous system of the PNS regulates the involuntary functions like those of heart rate, breathing, innervates skeletal muscles, etc.
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Complete question is:
Drag the label for each part of the nervous system into the correct location on the chart. when all the labels have been placed, select the check answer button.
Each label lists a structure, or a function related to a component of the nervous system. Drag and drop each label into the appropriate box.
Labels may be used more than once.
Integrates and stores information
Innervates the heart
Innervates skeletal muscles
Controls subconscious actions
Connects to body viscera
Carries sensory information from the skin
Controls conscious activities
dr. carl woese is credited as being the first scientist to compare the nucleotide sequences of genes coding for rrna to discern phylogeny.
It's true that Dr. Carl Woese is credited with being the first scientist to compare the nucleotide sequences of rRNA-coding genes to distinguish phylogenies.
Woese discovered a revolutionary new genetic technique for studying the evolutionary history of cells. He studied ribosomal RNA (rRNA). Ribosomal RNA is found in all organisms. It is a simpler molecule than DNA. Woese believes that rRNA may be one of the oldest nucleic acids. Woese examined the genes of several organisms.
In 1977, Woese published work demonstrating that methane-producing microbes were not bacteria, but belonged to an entirely new, third world of life. Woese called this third region Archaea (pronounced ar-KEY-a), meaning ancient.
Woese drew a new tree of life, emphasizing a fundamental evolutionary division between three regions: Bacteria, Archaea and Eucarya.
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according to carl rogers, anxiety and neurotic behaviors occur when . a person has low self-esteem there is matching between the real self and ideal self there is a discrepancy between the real self and ideal self the individual receives too much unconditional positive regard
Carl Rogers has given some theories of personality where he suggests that anxiety and neurotic behaviour are the results of mismatches between the real and ideal self.
The self-concept has two divisions - the real self and the ideal self. The real self refers to a person’s actual living conditions, both mental and physical. The ideal conditions are what a person wishes to have in his or her life.
The wide differences in the real and ideal self results in neurotic behaviour and anxiety. This often happens when a person sets his ambitions high and is not able to achieve them.
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When there is a discrepancy between the real self and the ideal self, it leads to anxiety and neurotic behaviors.
A person's personality is basically their representation and in this regard there are various self forms present in every individual. The real self is the one that reflects a particular individual's true qualities, their aptitudes, inclinations as well as characteristics.
Ideal self of an individual is constituted by the characteristics which that particular individual aspires to gain. It can be said that it is basically the guide of the self. Whenever there is a discrepancy or a major difference in an individual's real and perceived or ideal self, it leads to anxiety as well as neurotic behaviors.
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Describe the human respiratory system and its functions
The respiratory system is a network of organs to help you breathe
The main function is to supply the blood with oxygen in order for the blood to deliver oxygen for all parts within the body. When we breathe, we inhale oxygen and exhale carbon dioxide.
of the following types of energy, which is/are classified as potential energy? chemical energy electrostatic energy gravitational energy
Answer: all of them are classified potential energy
Explanation:
im just smart
Which country might
have an age-structure
pyramid (showing
declining growth) that
looks similar to the
one shown?
The correct option A. Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
Explain the term age-structure pyramid?Population pyramid: a visual representation of a population's age and sex distribution.
The final shape of such a population pyramid is determined by the age and sex composition of the population; as a result, the representation may resemble a pyramid, be columnar, or have an erratic profile.Additional aspects of a population, including marital status, ethnicity, or geography, can be represented by the population pyramid. In this instance, more categories are represented by further subdividing the bars for each age-sex group.A broad-based pyramid shows that younger age groups make up a disproportionately big fraction of the population.Whereas one with a narrow or pointed top shows that older age groups make up a disproportionately small portion of the population.Thus, Italy, may have a pyramidal age model similar to that depicted in the figure (with diminishing growth).
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a cell is made using zinc and copper. when this cell is made, which element will be reduced? (the values provided were taken off a reduction potential table)
Answer:
Explanation:Zinc and copper are used to create a cell. Which element will be diminished when this cell is created? (The figures given were obtained from a chart of reduction potential)
The copper electrode to the zinc electrode is where the Daniel cell current travels. It produces an emf of 1.1V when operating in normal conditions. Current travels from the Cu electrode to the Zn electrode as electrons move from the Zn rod to the Cu rod. Copper accumulates at the cathode while zinc dissolves at the anode.
High dosages of zinc can result in a copper deficiency since it decreases the amount of copper your body absorbs. Because of this, many medical professionals advise that you take a zinc supplement and 2 milligrams of copper daily.
Which of the following statements describe properties of the DNA molecule that are consistent with Chargaff's data?
answer choices
O two adenine bases on opposite strands can form hydrogen bonds between each other
O on a single strand, the four bases are repeated many times in different combinations
O on a single strand, the four bases are repeated many times but are always grouped in the same order
O hydrogen bonds between opposite strands are stronger than covalent bonds; if broken, this will cause permanent damage to the organism
The statement that describes properties of the DNA molecule that are consistent with Chargaff's data is on a single strand, the four bases are repeated many times and in different combinations.
Thus, the correct option is B.
Chаrgаff's rules stаte thаt in the DNА of аny species аnd аny orgаnism, the аmount of guаnine should be equаl to the аmount of cytosine аnd the аmount of аdenine should be equаl to the аmount of thymine. Further а 1:1 stoichiometric rаtio of purine аnd pyrimidine bаses (i.e., А + G = T + C) should exist. This pаttern is found in both strаnds of the DNА. They were discovered by Аustriаn-born chemist Erwin Chаrgаff in the lаte 1940s.
Based on Chargaff's data (look at the Attachment), the DNA molecule is on a single strand, and the four bases are repeated many times and in different combinations.
Your question is incomplete, but most probably your complete question can see in the Attachment.
For more information about Chаrgаff's rules refers to the link:
https://brainly.com/question/14702890
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