Ap Biology Essay

Ap Biology Essay-63
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.Describe the fluid-mosaic model of a plasma membrane. Include a description of mitosis and cytokinesis, and of the other phases of the cell cycle. After realizing the error, the assistant randomly labeled the flasks containing these four unknown solutions as flask A, flask B, flask C, and flask D.

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Labeled diagrams that are explained in your answer may be useful.

Unit 6 (Protein Synthesis, Gene Expression, DNA Technology) 21.

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.

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.Select two of the following three pairs and discuss the evolutionary relationships between the two members of each pair you have chosen.In your discussion include structural adaptations and the functional significance.In most cases, neither parent of affected offspring has the condition. This trait is determined by a single autosomal gene and is expressed as two phenotypes.A new population was created by crossing 51 pure breeding (homozygous) dominant individuals with 49 pure breeding (homozygous) individuals.Begin with the separation of the messenger RNA from the DNA template and end with the release of the protein at the plasma membrane. Describe the steps of protein synthesis, beginning with the attachment of a messenger RNA molecule to the small subunit of a ribosome and ending generalized with the release of the polypeptide from the ribosome.Include in your answer a discussion of how the different types of RNA function in this process. The diagram below shows a segment of DNA with a total length of 4,900 base pairs.After four generations, the following results were obtained.Unit 8 (Chemical Evolution, Prokaryotes, Eukaryote Evolution, Protista) 36.

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