In spermatogenesis, only the final cells are called ____, but they and all the stages leading up to them can be called _____.
Fill in the blank(s) with the appropriate word(s).
gametes; germ cells
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The holozyme is formed when the core enzyme associates with
A. Start codons B. b C. b' D. ? E. a
A thin layer chromatogram is useful for
a. measuring the amount of photosynthesis. b. determining the amount of gas produced during photosynthesis. c. separating pigments based on their physical characteristics. d. determining the presence of sugars in a leaf.
Describe endotoxins and exotoxins. What effects do they each have on infected persons? What will be an ideal response?
In guinea pigs coat color is determined by a single gene with two alleles. A guinea pig from a true-breeding black strain is mated with a guinea pig from a true-breeding white strain. The F1 progeny are all black. Two of the F1 progeny are mated with each other. What proportion of the F2 progeny is expected to be white?
a. 1/2 b. 1/3 c. 1/4 d. 3/4