Most populations tend to
A. produce only the number of offspring needed for replacement.
B. produce many more offspring than needed for replacement.
C. have more females than males.
D. have more males than females.
B. produce many more offspring than needed for replacement.
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Genes for protein receptors for LH, FSH, and TSH
a. are found in sea anemones. b. have similar nucleotide sequences in sea anemones and vertebrates. c. produce structurally similar gene products in sea anemones and vertebrates. d. presumably arose millions of years ago in a common ancestor of sea anemones and vertebrates. e. include all of these.
What should the arrow in the following equation be labeled? Sugar + oxygen --> carbon dioxide + water + ATP.
a. photosynthesis b. cellular respiration c. Krebs cycle d. Calvin cycle
Noncyclic photophosphorylation produces
A) ATP only. B) oxygen. C) NADPH only. D) ATP and NADPH. E) water and ATP.
Nutritionally defective mutants can be detected by the technique of
a. selection. b. transposon mutagenesis. c. replica plating. d. transversion.