During sperm formation the cell type that divides by mitosis is the ____
a. primary spermatocyte
b. secondary spermatocyte
c. polar body
d. polar body
e. spermatids
ANSWER: d
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Which of the following is the most correct interpretation of the figure?
A) Inorganic phosphate is created from organic phosphate. B) Energy from catabolism can be used directly for performing cellular work. C) ADP + i are a set of molecules that store energy for catabolism. D) ATP is a molecule that acts as an intermediary to store energy for cellular work. E) i acts as a shuttle molecule to move energy from ATP to ADP.
A bacterial cell has a nonsense mutation that prevents it from producing a functional sigma subunit for RNA polymerase. Inability to synthesize a functional sigma subunit would have the most direct effect on
A. transcription initiation. B. transcription elongation. C. transcription termination. D. translation initiation. E. translation termination. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about RNA polymerase? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
An individual tree can maintain a symbiotic relationship with many different species of mycorrhizae simultaneously
Indicate whether the statement is true or false.
Which of the following can produce linkage disequilibrium?
A) genetic drift B) selection on genotypes of more than one locus C) mixing two disparate populations, each of which is in linkage equilibrium D) All of these choices can create linkage disequilibrium.