Provide a brief explanation of the relationship between amino acid sequences in proteins and
nucleotide sequences in DNA and what they can reveal about evolutionary relationships What will be an ideal response?
Proteins and DNA contain a record of evolutionary change. A protein’s amino acid sequence is
encoded by DNA. The differences in amino acids indirectly reflect the number of DNA base pair
changes that must have occurred during evolution.
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What are the two main divisions of the cell cycle?
A. apoptosis and interphase B. mitosis and cytokinesis C. mitosis and meiosis D. nucleus and cytoplasm E. interphase and cell division
Which of the following is characteristic of desert animals?
a. they tend to be quite large in size b. they estivate during the rainy season c. most only come out at night d. rodents are the only group of mammals represented in this biome e. insects are absent
Which of the following types of reproductive barriers separates two species of sea cucumbers whose sperm and eggs often bump into each other but do not cross-fertilize because of incompatible proteins on their surfaces?
A) temporal isolation B) habitat isolation C) mechanical isolation D) gametic isolation
In photosynthesis, carbon dioxide gas is reduced and combined to form glucose. This is an example of
A. catabolism. B. exergonic. C. metabolism. D. anabolism. E. hydrolysis.