Ap Biology Essay

Ap Biology Essay-79
The arrows indicate reaction sites for two restriction enzymes (enzyme X and enzyme Y). Assume that a particular genetic condition in a mammalian species causes an inability to digest starch.This disorder occurs with equal frequency in males and females. Include in your discussion the factors that may contribute to the maintenance of genetic isolation. Do the following with reference to the Hardy-Weinberg model. In a laboratory population of diploid, sexually reproducing organisms a certain trait is studied.

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methionine – leucine – glutamic acid – proline – arginine Describe the steps in the synthesis of this polypeptide.

What would be the effect of a deletion or an addition in one of the DNA nucleotides?

What would be the effects of a substitution in one of the nucleotides? Describe the operon hypothesis and discuss how it explains the control of messenger RNA production and the regulation of protein synthesis in bacterial cells. Scientists seeking to determine which molecule is responsible for the transmission of characteristics from one generation to the next knew that the molecule must (1) copy itself precisely, (2) be stable but able to be changed, and (3) be complex enough to determine the organism’s phenotype. Describe the biochemical composition, structure, and replication of DNA.

Discuss how recombinant DNA techniques may be used to correct a point mutation. Describe the production and processing of a protein that will be exported from a eukaryotic cell.

The following is a comprehensive list of essay questions that have been asked on past AP exams. Select three properties of water and: Unit 2 (Organic Chemistry, Biochemistry, and Metabolism) 2.

The unique properties (characteristics) of water make life possible on Earth.

Include in your answer (a) a description of how you would set up and perform the experiment: (b) the results you would expect from your experiments: and (c) an explanation of those results based on the principles involved.

(Be sure to clearly state the principles addressed in your discussion.) 9. Choose THREE of the following four types of cellular transport.

Describe each classical experiment and indicate how it provided evidence for the chemical nature of the gene. Discuss Mendel’s laws of segregation and independent assortment.

Explain how the events of meiosis I account for the observations that led Mendel to formulate these laws. An organism is heterozygous at two genetic loci on different chromosomes.


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