In a healthy male, how many sperm cells would be expected to be formed from (a) 400 primary spermatocytes? (b) 400 secondary spermatocytes?
A) (a) 800; (b) 800
B) (a) 400; (b) 400
C) (a) 1600; (b) 800
D) (a) 1600; (b) 1600
E) (a) 100; (b) 800
Answer: C
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Which of the following does not occur during RNA processing?
A. the addition of a nucleotide cap to the 5' end of the newly transcribed RNA B. the addition of a poly(A) tail to the 3' end of the newly transcribed RNA C. the removal of all exons during RNA splicing D. the removal of all introns during RNA splicing E. the degradation of excised RNA
The monotremes differ from all other mammals by:
A. laying eggs B. being restricted to Australia and New Guinea C. lacking a placenta D. having poorly developed nipples E. All of the choices provided are correct
Beta-oxidation of fatty acids produces a substrate of the
A) pentose phosphate pathway. B) protein synthesis pathways. C) Embden-Meyerhof pathway. D) Krebs cycle. E) Calvin-Benson cycle.
What is beta-oxidation?
What will be an ideal response?