In complete dominance, the dominant allele always hides the expression of the recessive allele when both of them are present in the genotype. 50% of the progeny will have rounded and yellow peas.
What is complete dominance?
Complete dominance is one of the inheritance patterns. It is the interaction between two or more alleles of a gene.
When different alleles are composing the genotype (heterozygous) and one of them masks entirely the expression of the other allele, we talk about complete dominance.
Heterozygous individuals only express the phenotype coded by the dominant allele while the recessive allele remains hidden.
In thee xposed example we have two genes that express complete dominance, and we need to consider it when answering the question.
Gene for shape
Dominant allele → R → codes for rounded seedsRecessive allele → r → codes for wrinkled seedsGene for color
Dominant allele → Y → codes for yellow seedsRecessive allele → y → codes for green seeds
Cross: We need to cross two plants. One of them has rounded and yellow seeds. The other one has rounded and green seeds.
Parentals) RrYy x RRyy
Gametes) RY, rY, Ry, ry Ry, Ry, Ry, Ry
Punnett square) RY rY Ry ry
Ry RRYy RrYy RRyy Rryy
Ry RRYy RrYy RRyy Rryy
Ry RRYy RrYy RRyy Rryy
Ry RRYy RrYy RRyy Rryy
F1) Genotype
4/16 = 1/4 = 25% of the progeny is expected to be RRYy
4/16 = 1/4 = 25% of the progeny is expected to be RrYy
4/16 = 1/4 = 25% of the progeny is expected to be RRyy
4/16 = 1/4 = 25% of the progeny is expected to be RrYy
Phenotye
8/16 = 1/2 = 50% of the progeny is expected to have rounded and yellow seeds ⇒ R- Y-
8/16 = 1/2 = 50% of the progeny is expected to have rounded and green seeds ⇒ R- yy
50% of the progeny will have rounded and yellow peas.
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the building blocks or monomers of nucleic acid molecules are called . view available hint(s)for part a the building blocks or monomers of nucleic acid molecules are called . polysaccharides dna and rna fatty acids nucleotides pyrimidines and purines
The building blocks or monomers of nucleic acid molecules are called nucleotides.
In the field of science, nucleic acid molecules can be described as a type of macromolecule that is made from nucleotides. Nucleic acid molecules are important for the sustenance of life as the genetic material of an organism is made from them.
The nucleotides, which are the building blocks of nucleic acid molecules, are produced from three key components. The three key components of nucleotide are nitrogen base, pentose sugar, and a phosphate group.
DNA is a double-stranded nucleic acid molecule made from the nucleotides adenine, guanine, cytosine and thymine. RNA is a single-stranded nucleic acid molecule made from adenine, guanine, cytosine, and uracil.
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A behavior geneticist would be most interested in studying hereditary influences on?
A behavior geneticist would be most interested in studying hereditary influences on personality traits.
Who is a behavior geneticist?A behaviour geneticist is an individual that studies the relationship between the genetic make up of an individual and their personality traits.
Personality traits are unique for individuals which show how the person think, feel and behave towards a particular stimulus.
Examples of personality traits that has been studied include the following:
Extroversion: This is the type of personality that has the flare for socializing with others.Agreeableness: This is the type of personality that believes in putting other people's needs before theirs.Openness: This is the personality that is intrigued by new experiences.Conscientiousness: This is the type of personality that is very careful with every move they take.Neuroticism: This is the type of personality that are easily depressed by the negative happenings around them.Each individual is been studied and group under the listed personality traits above by a behavior geneticist.
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What is the lowest level of organization to include both biotic and abiotic factors? a. organism b. ecosystem c. population d. biome please select the best answer from the choices provided a b c d
Ecosystem is the name given to the lowest level of structure that includes both biotic and abiotic elements. B is the right answer, thus.
The ecosystem is typically thought of as the lowest level of structure that includes nonliving (abiotic) elements. That would imply that abiotic influences are present in ecosystems, biomes, and the biosphere.
An ecosystem is a region where a bubble of life is created by plants, animals, and other species interacting with the weather, environment, and other factors. In ecosystems, biotic and abiotic factors—or nonliving components—coexist. Biotic factors include plants, animals, and other species.
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Aquatic biomes are categorized by? i. dominant plant growth forms. ii. depth. iii. salinity.
An iii.salinity
Explanation:
suppose that, from measurements in a microscope, you determine that a certain bacterium covers an area of 1.50μm2 . convert this to square meters.
The answer is 1.50*10^-12 m^2 measurements in a microscope that determine a certain bacterium covers an area of 1.50μm2
divide the area value by 1e+12
Once both measurements are converted into meter, multiply them together to get the measurement of the area in square meter.
What does the term bacteria mean?Any of a vast group of one-celled organisms that reproduce via fission or spore formation, and in certain circumstances cause illness. They are the most abundant lifeforms on Earth, and they may be found in all living organisms and all settings.
Bacteria may be found in all habitats on Earth, including soil, rock, seas, and even polar snow. Some creatures live in or on other species, such as plants and animals, including humans. Bacterial cells outnumber human cells in the human body by a factor of ten.
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Carlo is wondering what causes plants to grow at different rates. Carlo’s hypothesis is “Plants will grow more when the day is longer.” To test his hypothesis, Carlo sets up an investigation that includes an experimental and control group. What factor would remain constant in the control group?
Exposure to sunlight is the factor that would remain constant in the control group.
There is an experimental group and a control group in every scientific investigation. To eliminate any error in results caused by factors other than the variable factor, a control group is included. The experimental group is the one that has been exposed to the variable factor at various levels.
Here, Carlo seeks to ascertain how the length of the day affects plant development. The length of sunshine is hence the test variable in this situation. This time period will be altered in the experimental group to assess its impact. It will remain the same in the control group so that the effects of other things can't affect the observed experimental result.
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#2
Scientists determined that excess fertilizer from a pig farm entered a shallow lake. The fertilizer initially caused an
increase in aquatic plants in the lake. However, as the plants died and decomposed, there was a decrease in oxygen
levels in the water. The intensity at which a fish species is affected by oxygen levels in the water varies. Trout are the
first to feel the effects at oxygen levels below 5.0 parts per million. Carp been able to survive levels down to about 1.0
ppm for extended periods.
What will most likely happen to the trout and carp populations in the lake if low oxygen level,
or hypoxia, continue over an extended period? Explain using the concepts of range of
tolerance and abiotic factors.
What will probably happen to the populations of trout and carp in the lake if the low level of oxygen, is that the number of species will drastically reduce, because this conditions of oxygenation, an abiotic factor, takes the stress of the animals to its maximum, reducing, or making this ecosystem uninhabitable.
What is range of tolerance?Biologists are often interested in studying and understanding the tolerance limits of different species to different environmental factors.
If you plot how many individuals in a population live below each part of the ranges for any given factor, you will almost always get a bell-shaped curve. Take a look at the two tolerance limits curves shown below. The horizontal axis could be any abiotic factor (environmental conditions), but for now, let's say it's for the oxygen level in freshwater lakes.
If you are studying a particular species of fish, say blackstripe topminnow (Fundulus notatus), you could go out and measure the oxygen level of each lake you find this species of fundulid in and also count how many of these fish are in each lake.
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There are vast stores of OFganic matter in the soils of northern coniferous forests and tundra around the world. Suggest an explanation for why scientists who study global warming are closely monitoring these stores (see Figure 55.15 ).
There are vast stores of organic matter in the soils of northern coniferous forests and tundra around the world. Suggest an explanation for scientists studying global warming are closely monitoring these stores higher temperatures lead to faster decomposition, and organic matter in these soils could be quickly decomposed to CO2, speeding up global warming.
The aid of manipulating the level of the factors of hobby, such as phosphorus availability or soil moisture, and measuring responses by number one producers. The strength glide is the quantity of power that actions along the meals chain. This energy float is also known as calorific waft.
The energy flows through the producers to the pinnacle purchaser and gets transferred to the nutrient cycle. thus, the power goes with the flow takes place in one-of-a-kind paperwork and not in a systemic cycle therefore the term power flow is used in preference to strength cycle. these include sun strength enter, temperature and moisture degrees carbon dioxide levels, nutrient availability, and community interactions.
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What is the first digestive enzyme introduced in the process of digestion that targets the breakdown of starch?
Carbohydras the first digestive enzyme introduced in the process of digestion that targets the breakdown of starch
What is the first digestive enzyme presented in the process of digestion that targets?Amylase is accountable for the breaking of the bonds in starches, polysaccharides, and complicated carbohydrates into easier-to-absorb simple sugars. Salivary amylase is the first step in the chemical digestion of foodstuffs
What are the enzymes accountable for digestion?
There are three major types of digestive enzymes: Proteases: Crackdown protein into small peptides and amino acids. Lipases: Break down fat into three fatty acids plus a glycerol molecule. Amylases: Break down carbs like starch into straightforward sugars.
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if a diet is low in fats, then proteins from the skeletal muscles will be broken down and used in place of carbohydrates to meet this need.
If a diet is low in fats, then proteins from the skeletal muscles will be broken down is false because it contain Ketogenesis
Ketogenesis happens within the liver. Ketones can be shaped from fatty acids when glucose is lacking including out of control diabetes or hunger. The coronary heart, mind, kidneys and skeletal muscle can adapt to using ketones as an electricity source.
Gluconeogenesis is the synthesis of glucose from non CHO assets which include glycerol and amino acids. it is the reversal of the glycolytic pathway and occurs with increased levels of glucagon and epinephrine.
Glycogenolysis is the breakdown of glycogen to glucose. it's far a catabolic system stimulated by glucagon and epinephrine.
Ketogenesis is while someone takes excess glucose then Insulin is released from the beta cells within the pancreas. it's far an anabolic hormone that promotes the conversion of glucose to glycogen in liver and muscle, uptake of glucose into cells, and promotes fat and protein synthesis.
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Given the latitudinal differences in sunlight intensity (see Figure 52.3 ), how might you expect the carrying capacity of plant species found at the equator to compare with that of plant species found at high latitudes?
Considering all other factors to be equal, you would anticipate that a plant species will have a higher carrying capacity in the equator than at high latitudes due to the greater amount of incident sunlight there.
What is Species Diversity?Diversity is highest when all species are equally plentiful in the area. "Species diversity is defined as the number of different species present in an ecosystem and the relative abundance of each of those species. The three categories of biodiversity are as follows: Genetic Biodiversity. Animal diversity. Biodiversity in the environment.
Why is species diversity important ?Stability increases with biodiversity in ecosystems, species, and people. For instance, species with several populations that are adapted to a wide range of environments and significant genetic diversity are more likely to be able to withstand disturbances, illness, and climate change.
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Which of the following would be considered an example of bioremediation? a. adding nitrogen-fixing microorganisms to a degraded ecosystem to increase nitrogen availability b. using a bulldozer to regrade a strip mine c. reconfiguring the channel of a river d. adding seeds of a chromium-accumulating plant to soil contaminated by chromium
A) adding nitrogen-fixing microorganisms to a degraded ecosystem to increase nitrogen availability is considered an example of bioremediation.
Bioremediation is a technique in which organic organisms are used to do away with or neutralize an environmental pollutant through a metabolic manner. The organic organisms include microscopic organisms, together with fungi, algae, and micro organisms, and the remediation treating the situation.
Bioremediation widely refers to any method in which a biological machine, dwelling or useless, is hired for doing away with environmental pollutants from the air, water, soil, flue gasses, commercial effluents, and many others., in herbal or synthetic settings.
Bioremediation uses micro-organisms to lessen pollutants thru the organic degradation of pollutants into non-poisonous materials. this could involve either cardio or anaerobic micro-organisms that frequently use this breakdown as an energy source
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Central chemoreceptors detect a decrease in ph in interstitial fluids in the brain. what is the response of the medulla to maintain delivery of oxygen to cells?
As a result of the feedback loop, sympathetic activity is indirectly increased, which causes vasoconstriction and a rise in blood pressure.
Cold temperatures typically cause the blood arteries that supply the skin to tighten or contract. Vasoconstriction, the result of this reaction, reduces blood flow to the skin, minimizing heat loss from the heated blood and maintaining a normal internal or "core" temperature.
Your body occasionally needs to undergo vasoconstriction, which involves tightening your blood vessels' muscles to reduce the volume inside. Vasoconstriction, for instance, keeps you warm when you're outside in the cold.
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Explain why a physician might order a white cell count for a patient with symptoms of an infection.
The quantity of white blood cells in your blood is determined by a white blood count. White blood cells make up the immune system. They aid your body in warding off illnesses and infections.
To combat the bacteria, viruses, or other foreign agents that are the source of your sickness, your body produces more white blood cells while you are ill. Your white blood cell count rises as a result.Your body may produce fewer white blood cells than necessary due to other illnesses. Your white blood cell count drops as a result. In this case you need to take it from outside.If you exhibit symptoms of an infection, inflammation, or autoimmune illness, a WBC Count test may be necessary.You could also require this test if you suffer from an immune-suppressing illness or are on medications that do the same. Your healthcare provider might be able to change your therapy if the test reveals that your white blood count is becoming too low.Learn more about the White blood cells with the help of the given link:
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Dna double helices are soluble in water but insoluble in alcohol. How do these physical properties reflect the chemical structure of the dna molecule?.
The structure of DNA double helices are hydrophilic due to their highly charged phosphate groups and hence are soluble in water.
DNA is highly polar because of its highly charged phosphate backbone. Water is also polar and thus dissolves DNA following the principle " like dissolves like ''. The DNA is composed of N-bases, phosphate backbone, and pentose sugar. N-bases are hydrophobic but are on the inner side of the structure.
Whereas, phosphates are hydrophilic and are on the outer side of the structure. The presence of phosphates outside the DNA structure makes it water-soluble.
In addition to this, H in water is positively charged and phosphates in DNA are negatively charged. This enables DNA to get dissolved in water. On the other hand, alcohol, being polar, reduces the affinity of hydrogen bonds with DNA, thus making it insoluble in alcohol.
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Polymers of nucleotides
O nucleic acids
O protein
O lipids
0carbohydrates
Answer: nucleic acids, the most common of them being DNA and RNA.
in layer 1, g cells secrete the hormone gastrin into nearby capillaries of the circulatory system. therefore, g cells should be considered exocrine cells.
In Layer 1, G cells secrete the hormone gastrin into nearby capillaries of the circulatory system. Therefore, G cells should be considered Endocrine cells.
Hormone- Chemicals called hormones function in the body as messenger molecules. They are created in one area of the body and then go to other areas where they assist regulate way cells and organs function. For instance, the pancreatic beta cells produce the hormone insulin.
Endocrine cells- The gut's endocrine cells are a significant source of the hormones that regulate metabolism, digestion, and hunger. They are mostly found in two places: islets in the pancreas and sporadic clusters in the mucosal epithelium of the gut.
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Which situations would result in an ethical concern for a genetic counselor? select all of the statements that apply.
The genetic counselor raises the ethical concern of that is related to the privacy, safety, justice, equity and the genome editing research that involves embryos.
The information about and individuals, family history, risk of disease, genetic disorder need to be kept confidential. The genetic tests can provide the information about the person's medical future, that is related to their gene sequence that can causes family discord and psychological stress.
The genetic counselor provide the facility to the individual or family for a variety of genetic disorder, variety of inherited condition, that can be followed in the pedigree chart.
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Many people regard the rapid population growth of less industrialized countries as our most serious environmental problem. Others think that the population growth in industrialized countries, though smaller, is actually a greater environmental threat. What problems result from population growth in (a) less industrialized countries and (b) industrialized nations? Which do you think is a greater threat, and why?
The increased air pollution results in many respiratory problems. They may face issues with day-to-day life due to a lack of resources such as vegetation and animal.
The uncontrolled exploitation of natural resources and excessive emission of CO2 is a greater threat. This has an impact on both developing and developed countries. The population growth adds to this problem.
Briefing:a) Problems resulting from population growth in developing countries:The exponential population growth leads to the rapid depletion of natural resources. The developing countries, due to lack of resources, have poor management of the garbage that blocks the water bodies and contaminates the water bodies such as the ocean. Eventually, they experience decreased access to clean water. The people in these countries are more prone to feel the impacts of this climate change. Due to global warming, the rise in sea level affects the population that lives in the coastal areas.
b)Problems resulting from population growth in the industrialized world:The United States is one of the most developed countries which is responsible for 25% of CO2 emission although it has the world’s only 5% population. The Industrialized countries are responsible for more carbon emissions. That results in global warming. The effects of this global warming affect both urbanized and developing countries.
The uncontrolled exploitation of natural resources and excessive emission of CO2 is a greater threat. This has an impact on both developing and developed countries. The population growth adds to this problem.
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viruses are capable of converting into a(n) choose one: a. virion, an intracellular replication complex, and an integrated part of the host genome. b. virion, a phage, and a plaque. c. phage, a plaque, and an oncogene. d. intracellular replication complex, a prophage, and a prion.
The virion, an intracellular replication complex, and an integrated part of the host genome.
The correct answer is A.
Describe the genome:All of an organism's genetic data is included in its genome. Nucleotide sequences from DNA make up its structure. The additional functional portions of the genome, along with any junk DNA that may be present, as well as protein-coding and non-coding genes, are all included in the nuclear genome.
How would you define a genomic example?The physical traits of an individual are an example of a genome. an organism's whole genetic makeup, including all of its genes and DNA sequences, is stored in its chromosomes.
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You have a patient who is lethargic (really sleepy, lacking energy),
though they have gotten plenty of sleep and eaten full meals throughout the day. What organelle is likely the dysfunctional culprit?
Lysosome
Mitochondria
Nucleus
Vacuole
According to the research, the correct option is Mitochondria. If a patient is lethargic (really sleepy, lacking energy), probably Mitochondria is likely the dysfunctional culprit organelle.
What is Mitochondria?It is a cellular organelle that provides the energy necessary to carry out cellular activity from the synthesis of ATP by oxidizing metabolites through oxidative phosphorylation, generating a very high percentage of the energy produced by the cell.
In this sense, it provides chemical fuel to the various cellular processes necessary for life (cellular respiration), a defect in it would attract lacking energy.
Therefore, we can conclude that according to the research, the correct option is Mitochondria. If a patient is lethargic (really sleepy, lacking energy), probably Mitochondria is likely the dysfunctional culprit organelle.
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How do stem cells from the bone marrow of an adult differ from embryonic stem cells (see Concept 20.3)?
Adult stem cells have little potential, however embryonic stem cells can develop into anything. Embryonic stem cells are also simple to cultivate. Embryonic stem cells, which can differentiate into any cell, make up embryos.
A stem cell is an unspecialized biological cell that may differentiate into several adult cell types and divide to produce more of the same type of cell, helping to regenerate and repair damaged tissue. They can be given by a young mother or a healthy adult.Bone marrow is the name for the soft material that fills the middle of the bones. There are many blood vessels in it. Red and yellow bone marrow make up both forms of human bone marrow. The bone marrow is where white blood cells and red blood cells are created.From embryos that are three to five days old, embryonic stem cells are produced. Embryonic stem cells are excellent for regenerating or restoring harmed tissue and organs due to their flexibility. Because they are only found in a few specific bodily regions, adult stem cells only occur in a few number of variations.Learn more about the stem cells with the help of the given link:
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Joe wants to know if using a pencil eraser will erase better than the big pink handheld eraser. He decides to set up an experiment. He compares the normal pencil eraser to the handheld pink to see which will leave the most pencil residue.
What is the independent variable?
What is the dependent variable?
What should Joe control in this experiment?
A pink handheld eraser is an independent variable. The pencil eraser is the dependent variable. Pencil erasers should be controlled in this experiment.
An independent variable is one that you adjust, control, or modify in an experimental study to look at its consequences. Because it is unaffected by any other study variables, it is called "independent." Independent variables are also referred to as explanatory variables (they explain an event or outcome).
A dependent variable is one that changes as a result of an independent variable changing. The outcome you're trying to measure "depends" on your independent variable. In statistics, dependent variables are often referred to as response variables (they respond to a change in another variable).
Understanding variables is crucial since they serve as the fundamental building blocks of the data examined and evaluated in research projects. When doing descriptive research or interpreting the results of an experiment, researchers carefully examine and interpret the value(s) of each variable to understand how things relate to one another.
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select all that apply identify the cell activities that are regulated by cellular control systems. (check all that apply.) multiple select question. breakdown of proteins temperature regulation maintenance of blood pressure energy production
The cell activities that are regulated by cellular control systems include the following below:
A. Energy production
C. Breakdown of proteins
What is Cellular control system?This system is responsible for the different processes which occurs in the cell cycle of organisms and employs the use of different types of compounds.
Energy production is regulated in cells through ATP which is the energy currency and undergoes phosphorylation to release it while in the case of protein, enzymes control it and ensures that the folds are accurate and prevent misfolding or denaturation thereby making option A and C as the most appropriate choice.
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The options are:
A. Energy production
B. Temperature regulation
C. Breakdown of proteins
D. Maintenance of blood pressure
According to the logistic growth equation {dN}/{dt} = rint N [ (K-N) / K ] a. the number of individuals added per unit time is greatest when N is close to zero. b. the per capita growth rate (r) increases as N approaches K . c. population growth is zero when N equals K . d. the population grows exponentially when K is small.
The correct option is (C) population growth is zero when N equals K.
According to the logistic growth equation, dN/dt =rN (K-N)/K, population growth is zero when N equals K.
What is exponential and logistic growth?When a population experiences exponential growth, the growth rate per capita (per person) remains constant regardless of population size, resulting in exponential population expansion.
In nature, populations may grow exponentially for a while, but ultimately, the availability of resources will limit their expansion.
As a population gets closer to the carrying capacity, a limit set by the environment's finite resources, the rate of per capita growth slows (K).
In contrast to logistic growth, which results in an S-shaped curve, exponential growth creates a J-shaped curve.
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when considering abnormal epigenetic modifications, what factor is currently being viewed as strongly associated with the development of some cancers?
The factor strongly associated with the development of some cancers when considering abnormal epigenetic modifications is environmental stressors.
What are epigenetic modifications?Epigenetic modifications are chemical modifications such as DNA methylation and histone acetylation that change normal gene expression patterns.
Epigenetic modifications represent the most important factor to control gene expression patterns in different cell lineages because they alter the accessibility of transcription factors to DNA gene regions.
Abnormal epigenetic modifications are associated with environmental stressors such as pollutants in the air that induce the emergence of this type of epimutations.
In conclusion, the factor strongly associated with the development of some cancers when considering abnormal epigenetic modifications is environmental stressors.
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based on your hypothesis, you predict that the chemical isolated from the fungus will successfully kill cancer cells. to test this prediction, you design the following experiment. you isolate cancerous cells from the colon of a patient from north carolina and culture (grow) the cells in your lab. you divide the cultured cells into four separate culture dishes. you treat two of the dishes with the fungus chemical and the other two with a control solution that does not contain the chemical. over the next ten days, you collect data on the percentage of cells that remain alive in each culture dish.
The values of the data gives the range of the percentage of cells with chemical treatment remaining as [100, 10], while those without treatment have a range of [100, 90], which gives;
Statement(s) supported by the data are;
1. Cancer cells treated with chemical have a lower survival rate than cells that are not treated
3. This chemical will be useful for treating colon cancer but not necessarily other types of cancer
5. After 5 days of chemical treatment, less than 50% of the cancer cells are alive
6. After 10 days without chemical treatment, more than 90% of the cancer cells are alive
Statement(s) not supported by the data
2. Cancer cells treated with chemical have a higher survival rate than cells that are not treated
4. This chemical will be used with all types of cancer
How can the correct information be obtained from the graph?The possible question options of obtained from a similar question are as follows;
Cancer cells treated with chemical have a lower survival rate than cells that are not treatedCancer cells treated with chemical have a higher survival rate than cells that are not treatedThis chemical will be useful for treating colon cancer but not necessarily other types of cancerThis chemical will be used with all types of cancerAfter 5 days of chemical treatment, less than 50% of the cancer cells are aliveAfter 10 days without chemical treatment, more than 90% of the cancer cells are alivePlease find attached the graph displaying the data collected.
Required; To determine the statements that are supported by the graph
Solution
The data on the graph shows that as the number of days increases, the survival rate for cancer cells reduces from 100% to about 10%, such that less than 50% are alive in 5 days, while the survival rate for cells not treated reduces by about 10% to 90% in the same period.
From the graph, we therefore have;
Statement(s) supported by the data
The statements supported by the data are; 1, 3, 5 and 6Statement(s) not supported by the data
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Complete this sentence. The melting point of a sample will ________ when the size of the sample increases.
Answer:
stays the same
Explanation:
(b) How many dark brown mice were caught in the dark-colored soil enclosure on a moonlit night?
About 12 dark brown mice were caught in the dark-colored soil enclosure on a moonlit night.
What is mouse models with camouflage coloration?
This model simulates natural selection and adaptation in rock pocket mouse populations found primarily in rock outcrops in the deserts of the southwestern United States and Mexico. This model is based on a lesson plan designed by the [Howard Hughes Medical Institute]The model simulates changes in coat color in a population of rock pocket mice due to predation. Mice that cannot camouflage have a higher chance of being predatory when predators are present. Users can examine how a population evolves through natural selection under different environmental conditions.To learn more about mouse models with camouflage coloration, refer to:
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baby sean has cystic fibrosis, which causes thick mucus secretions that can block ducts like the pancreatic duct, leading to insufficient enzymes in the small intestine. why are these enzymes important?
According to the research, If baby Sean has cystic fibrosis, the digestive enzymes secreted by the pancreas are not released into the intestine, so the baby will have difficulty absorbing fat, which is essential for the body.
What is cystic fibrosis?It is an autosomal recessive multisystemic disease, characterized by a chronic infection of the respiratory tract that leads to exocrine pancreatic insufficiency.
In this sense, it produces thick secretions that obstruct the ducts of the pancreas where digestive enzymes are responsible for digesting food in order to be absorbed and assimilated, cystic fibrosis causes damage to the lungs and pancreas which affects the digestive system and fat absorption.
Therefore, we can conclude that according to the research, If baby Sean has cystic fibrosis, the digestive enzymes secreted by the pancreas are not released into the intestine, so the baby will have difficulty absorbing fat, which is essential for the body.
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