The H zone never includes ______.
A. myosin
B. actin
C. titin
D. the M band
Answer: B. actin
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In DNA the purines are
a. thymine and cytosine. b. adenine and cytosine. c. adenine and guanine. d. thymine and adenine. e. guanine and thymine.
What are the factors that make the fossil record biased and incomplete?
What will be an ideal response?
In the Hardy-Weinberg equation, p2 + 2pq + q2 = 1, 2pq represents the frequency of
A. homozygous dominant and heterozygous individuals. B. homozygous dominant individuals. C. homozygous recessive individuals. D. heterozygous individuals. E. homozygous recessive and heterozygous individuals.
Most sponges are __________, meaning that one individual can produce both male and female
gametes. A. asexual B. hermaphroditic C. indeterminate D. heterozygous E. enterocoelous