The H zone never includes ______.

A. myosin
B. actin
C. titin
D. the M band


Answer: B. actin

Biology & Microbiology

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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.

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What are the factors that make the fossil record biased and incomplete?

What will be an ideal response?

Biology & Microbiology

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.

Biology & Microbiology

Most sponges are __________, meaning that one individual can produce both male and female

gametes. A. asexual B. hermaphroditic C. indeterminate D. heterozygous E. enterocoelous

Biology & Microbiology