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Q1. 1. What one vital function do both mitosis and meiosis perform for an organism? Describe. 2. List and describe two examples of when cells in a human need to undergo mitosis. What type of cell is produced (haploid or diploid)? Explain what this means.
3. When would a human need to undergo the process of meiosis? What type of cell is produced (haploid or diploid)? Explain what this means.
4. Think about what would happen if meiosis did not occur. What effect would this have on humans as a species? Explain the response fully.
Q2. How may stomata density serve as a bioindicator for monitoring the response of plants to changes in greenhouse gas concentrations in the future? (Hint: what do the data say for how stomata density varies with CO2 concentration?)
Yet jam can be left unrefrigerated for long periods without contamination by bacteria and mold. Which provides the best explanation for this phenomenon.
What phenotypes will you suppose among the 1024 offspring, and how many of each phenotype would you expect.Suppose that a cross is made between a fly with normal wings.
A series of enzymes catalyze the reaction X Y Z A. Product A binds to the enzyme that converts X to Y at the position remote from its active site. This binding decreases the activity of the enzyme.
The Verhulst's logistic model has been practical to the natural growth of the halibut population in certain areas of the Pacific Ocean. Let NN, measured in kg, be the total mass (or biomass) of the halibut population at time tt.
Early in the morning, the black caterpillars rest in a tightly packed group on the east-facing surface of the tent. In mid afternoon, the group is found on the tent under surface, each caterpillar individually hanging from the tent by just a few of i..
If the genes were expressed in the cell, predict that signal would win out for the following combinations. Give details your reasoning.
Both endocrine and nervous systems are major regulating systems of the body; though, nervous system has been compared to an airmail delivery system and endocrine system to the pony express. In brief explain this comparison.
Multicellular animals have some mechanism to control cell mass that we do not understand; for in case, salamanders of different ploidies are the same size such that a haploid, a diploid, and a pentaploid organism are about the same size.
Clarify the principle and advantage of using a rapid identification system. what is the probability that a son born to this woman would be phenotypically normal with respect to both of these traits.
What is the possibility that this child will have red-green color blindness? Figure the cross.
Some times in the movie, politics of science were discussed. Explain how politics played a role in the discovery of DNA structure. Do you think the science of today is more or less political than it was during the 1950s? Examine one instance of moder..
Consider the HIV enzyme called protease. The amino acid residues at the active site are highly hydrophobic. In designing a drug that would bind to the active site and jam it, researchers should use which sort of molecule.
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