The correct answer is C. To block UV radiation. Ozone filters the majority of UV spectra, so it protects organisms from its effects.
What happens to this enzyme when the pH rises above 11?
graph with pH on the X axis and rate of reaction on the Y-axis. The
curve begins as pH 3, peaks at pH 7, and ends at pH 11.
A The enzyme no longer functions.
B The enzyme function increases.
C The protein structure remains stable.
D The protein continues to function as normal.
Answer:
the enzyme get denatured since the optimum temperature has been exceeded therefore enzyme function slows
during its exponential growth phase, a certain bacteria can grow from 5000 cells to 12000 cells in 10 hours. at this rate, how long will it take to grow 50000 cells
What dangers and impacts on the marine ecosystem arise from harvesting fossil fuels such as oil and methane hydrates from the oceans?
In this case, we have that oil and methane extraction have great impacts on the ocean, as there is always the release of these materials to the surrounding environment causing water pollution, altering the equilibrium of fito and zooplankton the base of the ocean food web, even more, intense human activity in these areas generate fauna displacement and habitat loss. Also in less quantity tend to be a release of methane into the atmosphere which is a powerful greenhouse gas.
Cell differentiation produces cells with different gene expressions. TrueFalse
All somatic cells contain the same genes, the only difference among them is on what genes are expressed. Therefore, this statement is true.
Suppose that a plant had chloroplasts that could carry out the Calvin cycle, but these chloroplasts could not carry out the light-dependent reactions. Explain why these chloroplasts could not carry out photosynthesis to produce sugars.
Plants with chloroplasts carrying out Calvin cycle but unable to carry out light-dependent reactions could not carry out photosynthesis because to produce sugars, the light dependent reactions are essential in order to produce ATP and NADPH.
Calvin cycle is the light-independent reaction that is performed with the help of products from light dependent reactions. The Calvin cycle is accomplished in three steps: Carbon fixation, reduction and regeneration. The product of Calvin cycle is triose phosphate which is further used in glucose production.
Light dependent reactions are those that involved in the production of ATP and NADPH through a series of electron transporters. These ATP and NADPH are therefore used for synthesis of glucose.
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A worm is decomposing plant matter and putting it into the soil. What type of nutrient consumption does that worm exhibit?A) DetritivoreB) DecomposerC) HerbivoreD) Omnivore
Decomposers break down dead and organic material. Herbivores feeds in plants. Omnivores feeds on plants and animals Detritivores feeds on organisms and wastes. Worms are example of detritivores. They break down detritus or dead plant and animals remains. They eat dead or decaying plants or animals in order to survive.
Answer - A Detrivore
17. In a population of snoopets on the island of Moz, female snoopets with fuzzy heads had an average of 7.2 offspring per season, while female snoopets with bald heads had an average of 7.9 offspring per season.
What is the minimum effective population size that will allow natural selection to overcome drift for the hairy head allele?
Genetic flow is a mechanism of evolution wherein allele frequencies of a populace extrude over generations because of chance .
Genetic flow happens in all populations of non-endless size, however its outcomes are most powerful in small populations. Genetic flow can also additionally bring about the lack of a few alleles (together with useful ones) and the fixation, or upward thrust to, percent frequency, of different alleles.
Genetic flow could have main outcomes while a populace is sharply contracted via way of means of a herbal disaster (bottleneck effect) or while a small institution splits off from the principle populace to determined a colony (founder effect).
In an countless populace, we anticipate directional choice to sooner or later restoration an effective allele, however this could now no longer always manifest in a finite populace, because the outcomes of waft can triumph over the outcomes of choice if choice is susceptible and/or the populace is small.
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Using the drop-down menus, identify the structures common to all cells.
Every cell contains the following elements: A depiction of DNA is shown by Label A.
The cell structure would be indicated by Label B.
Label C had really been applied to the ribosome.
The designation D designates the cytoplasm.
It appears that DNA and deoxyribonucleic acid make up the genetic material. The building blocks of DNA, known as nucleotides, had just traditionally consisted of something like a nitrogen base, a sugar, as well as a phosphate molecule.
The plasma membrane is yet another term for such cell membrane. According to the juxtaposition of a relatively lipid bilayer, it provides a protective barrier for the constituents of cells as well as simultaneously simplifies the process for compounds to be moved between cells.
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Which of the following characteristics correspond to sister chromatids?
Select all that apply.
-Replica of a single chromosome
-Formed during interphase
-Maternal and paternal pairs
-Separated during mitosis
-In humans, there are 23 pairs of these
-Numbered in a karyotype
-Attached to one another by cohesin
The characteristics formed during interphase, attached to one another by cohesin and they are replicas of a single chromosome correspond to sister chromatids (Options 1, 2 and 7).
What are sister chromatids?Sister chromatids are two identical copies of a given chromosome, which are attached by specific proteins at the centromere level. These copies are generated during the interphase (S synthesis phase) of the cell division (either mitosis or meiosis).
Therefore, with this data, we can see those sister chromatids are identical to each other and they are generated during the interphase of the cell division process.
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Randulf is planning an archaeology birthday party and wants the party to mimic the process that archaeologists follow. During which phase should Randulf tell his guests to draw sketches of their findings and take field notes?multiple choice1. interpretation2. reconnaissance3. curation4 .excavation
the answer is interpretation thei field notes where they try to interpret what was in the field and reconstruct the events that took place
These are low organs that carry out cell function number 2
Eukaryotes have a nucleous.
One of the main differences between eukaryote and prokaryote cels is that the first ones have nucleous and se second ones don`t.
Chimpanzees and bonobos have 99.9 percent of alleles that are similar. the chart shows other similarities. What does the chart suggest about the relationship between chimpanzees and bonobos?
The chararcteristics shown in the chart suggest that: Chimpanzees and bonobos most likely shared a common ancestor.
This can be figured out by the simmilarities, that are features that have been mantained while
Science requires evidence that comes from observations, measurements, or other forms of data, this is what type of evidence?
Group of answer choices
A. scientific
B. research
C. data
D. empirical
which mutation will cause translation to stop
nonsense mutation will cause translation to stop.
What causes DNA translation to halt?Cut off Codon
In DNA or messenger RNA (mRNA), a stop codon is a trinucleotide sequence of three nucleotides that instructs the cell to stop production of proteins. The number of trinucleotide codons is 64. 3 stop codons are present, and 61 define amino acids (i.e., UAA, UAG and UGA).
A DNA change that causes a protein to cease or end its translation earlier than predicted is known as a nonsense mutation or its synonym, a stop mutation. This is a frequent type of mutation that affects both humans and other animals and results in the expression of a protein that is either truncated or ineffective.
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Respiration is the process of using _______ to release ______ from ______. It happens in all animals.
Respiration is the process of using oxygen to release ATP from glucose. It happens in all animals.
You go on a canoe trip to the Boundary Waters Canoe Area (BWCA) in Northern Minnesota. Thisecosystem is cold most of the year and receives plenty of rainfall. It has many lakes that are full ofwalleye pike fish. You know that walleye like to eat minnows. In turn the minnows feed on scuds(zooplankton) which eat algae (phytoplankton). Walleye pike fish are what?A. secondary consumersB. tertiary consumersC. primary consumersD. producersE. decomposers
In this case, we are talking of food chain, so phytoplankton is a photosynthetic organism, an autotroph, therefore is a producer, now the zooplankton is the primary consumer, which makes the minnows a secondary consumer and in turn, the Walleye pike fish is a tertiary consumer. Taking this into account we can say that the correct answer is option B.
what element is this
What’s the correct answer answer asap for brainlist
What function makes the HIV virus unique?
Answer:
The function that makes HIV virus unique is option B: It attacks and destroys certain cells in the bodies of its host organism
HIV is a viral disease popularly known as Human Immunodeficiency Virus.
It is transmitted through exchange of blood and semen such as blood transfusion, sexual intercourse, sharing of sharp objects.
HIV attacks its host by weakening and destroying the antibodies and the entire immune system of the host
Any host organism that is affected by Human Immunodeficiency Virus will be susceptible to different kinds of ailments because certain cells responsible for fighting these diseases have been
attacked and destrovedHuman Immunodeficiency Virus will be susceptible to different kinds of ailments because certain cells responsible for fighting these diseases have been attacked and destroyed
Therefore, the function that makes the HIV virus unique is that it attacks and destroys certain cells in the bodies of its host organism
What do endocrine glands produce?A. Electrical signalsB. Electrochemical reactionsC. EnzymesD. Hormones
Endocrine glands are organs connected to the lymphatic system and are in charge to produce hormones.
The answer is D
If a corn plant had Yellow kernels and a smooth seed shape, what could it's possible genotype be? Choose all that apply
Corn kernels' color and shape are coded by diallelic genes expressing complete dominance. The genotype of individuals carrying Yellow kernels and a smooth shape phenotype can be either ppSS or ppSs.
What is complete dominance?
Complete dominance refers to the inheritance pattern in which the dominant allele of a gene completely masks the expression of the recessive allele.
The presence of at least one dominant allele is enough to express the dominant trait. This becomes evident in heterozygous individuals.
In the exposed example, two traits are involved. One of them is the kernel color and the other one is the kernel shape.
Genes coding for each of the traits express complete dominance,
P codes for purple and is dominant over p that codes for yellow.S codes for smooth and is dominant over s that codes for wrinkled.If a corn plant had Yellow kernels and a smooth seed shape, it is expressing the recessive phenotype for color (pp) and the dominant phenotype for shape (SS or Ss), so the possible genotypes are,
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Complete question
In corn, purple kernels are dominant to yellow kernels, and smooth kernels are dominant to wrinkled kernels.
The following letters were selected to represent each of the possible alleles:
Color
Purple kernels: P Yellow kernels: pKernel shape
Smooth kernels: S Wrinkled kernels: sIf a corn plant had Yellow kernels and a smooth seed shape, what could it's possible genotype be? Choose all that apply.
Group of answer choices
PPSSPPSsPPssPpSSPpSsPpssppSSppSsppssDiscuss the excretory system and circulatory system and how they maintain homeostasis through feedback.
Regulating the body temperature happens through the process of thermoregulation. One system that is responsible for this is the excretory system. This process is an example of negative feedback. The body temperature tends to fluctuate within a normal range. So, the brain's control system and other parts of the body monitor this fluctuation and react to deviations from homeostasis.
The circulatory system is composed of blood vessels, including arteries, veins, and capillaries that are capable of dilation and constriction in order to help the body maintain its homeostasis. This system is also an example of negative feedback
A three-letter sequence of mRNA that encodes for a specific amino acid is called a/an _______. A series of these links specific amino acids together to form a polypeptide.A) geneB) DNAC) encryptionD) codon
A three-letter sequence of mRMA that encodes for a specific amino acid is called a codon. A series of these links specific amino acids together to form a polypeptide.
The correct answer is option D.
DNA consists of nucleotides: each identified by the _________ it contains.A. phosphoric acidB. ribosomeC. baseD. carbon backbone
Nucleotides are composed of a sugar molecule (ribose in RNA and deoxyribose in DNA), a phosphate group and a nitrogen-containing base (which can be Adenine, Thymine, Guanine and Cytosine in the case of a DNA). Of those three parts, the only one that changes (and therefore identifies the nucleotide) is the nitrogen containing-base. Therefore, the correct answer is C. base.
Which organ in the human body do you think is the most important? Explain.
Answer: The brain
Explanation:
The brain is arguably the most important organ in the human body. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.
yes, i agree that it is your brain, *including every other organ you can't live without Imao* your brain is responsible for you walking, reacting to heat or whatever reaction. while you can't live without your heart, which is a common answer for this question, your nervous system has to be functioning properly (which is what your brain assists in) for your heart to pump correctly.
Does the signal go to the spinal cord and turn around and come back out the spinal cord or does it go up to the brain to get processed before it comes back down?
The nerves in the body send signals along their pathway to the spinal cord, then to the brain. Once the signals reach your brain, your body registers the sensation, and you are able to feel it. Sensory signals travel so fast that it seems like you get the message instantaneously.
True or False: Blood sugar would be higher than normal if the receptors for insulin were more likely to bind insulin.
Answer:
true
Explanation:
Insulin can bind to the receptors for IGF-1 and 2 but with much lower affinity (10−2 and 5x10−3) respectively.
DIFFRENCE BETWEEN PERMANENT TISSUE AND MERISMETIC TISSUE
Thankuu~
Answer: Meristimetic tissue continues to divide and help the growth of a plant. Permanent tissue consists of plant cells that no longer divide.
Explanation: Trust me.
Meristematic tissue
The tissues (group of cells) which undergoes repeated cell division. At the tip of the plant, there is apical meristem. Those tissue helps the plant to grow longer. If the apical meristem is cuts accidentally, then the plant no longer grow and dies.
Permanent tissue
The tissues (group of cells) which does not undergo repeated cell division. The middle portion of the plant cells is permanent tissue.
Overall the plant growth depends on the apical meristematic cells.
The absence of special food and water conducting system restricts the body size in
The absence of special food and water conducting system restricts the body size in algae, liverworts and mosses.
Algae- The term "algae" refers to a class of mainly watery, photosynthetic, & nucleus-bearing organisms which lack the real roots, stems, and leaves of plants as well as their specialized multicellular reproductive structures.
Mosses- Mosses belong to the group of land plants called Bryophyta and are non-vascular plants. They are herbaceous (non-woody) tiny plants (some few centimeters tall) that primarily absorb nutrients and water via their leaves and use light and carbon dioxide to produce food through photosynthesis.
Liverworts- Small flowerless plants known as liverworts have thallus structures that resemble the lobes of a lobed liver. Insects and other small invertebrates depend on the 6000–8000 species of liverworts that are thought to exist.
The given question is incomplete, find below the complete question,
Q. The absence of special food and water-conducting systems restricts the body size in
A. algae, liverworts and mosses
B. liverworts, mosses and ferns
C. the bryophytes and the pteridophytes
D. the thallophytes and pteridophytes
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Why are the cities of Paris, Shanghai, and Los Angeles still considered ecosystems? Use CER to explain your answer
Cities are a kind of atmosphere, due to the fact they comprise all of the additives and connections we use to outline ecosystem .An city atmosphere is surely the network of plants, animals, and people that inhabit the city environment.
It is a place bodily ruled through constructed systems like buildings, roads, sewers, and energy lines.City ecosystems are taken into consideration a atmosphere practical institution inside the extensive land-use biome. They are structurally complicated ecosystems with quite heterogeneous and dynamic spatial shape this is created and maintained through people.
Unlike herbal ecosystems however, city ecosystems are a hybrid of herbal and man-made factors whose interactions are affected now no longer handiest through the herbal environment, however additionally culture, private behaviour, politics, economics and social organisation.
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