________ activate repressor proteins, thereby decreasing the synthesis of certain enzymes.
A. Modulators
B. Corepressors
C. Effectors
D. Inducers
Answer: B
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One primary oocyte will form
(a) one ovum. (b) four ova. (c) up to three polar bodies. (d) both a and c.
The yeast MAT locus transcription factor, Mcm1, is produced by:
A. haploid a cells. B. haploid ? cells. C. diploid a/?cells. D. all haploid and diploid cells.
Which of the following is the best description of decomposition?
a. breaking down inorganic molecules such as carbon dioxide and water into organic molecules such as carbohydrates, lipids, and proteins b. building organic molecules such as carbohydrates, lipids, and proteins from inorganic molecules such as carbon dioxide, water, and nitrogen-containing compounds c. building macromolecules from smaller organic molecules d. breaking down organic molecules into inorganic molecules e. a process undertaken by producers in an ecosystem
The method of independent contrasts:
a. allows evolutionary biologists to use comparative methods for studying how natural history operates. b. compares the best possible tree overall with the best possible constrained tree. c. relies on running odds ratio tests. d. All of the above. e. A and C.