The two fatty acids within a phospholipid molecule make up its
A. nonpolar heads.?B. polar heads.?C. nonpolar tails.?D. polar tails.
C
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Which of the following is TRUE of follicular estrogen synthesis?
A. Theca cells synthesize an androgen which luteal cells convert to estrogen. B. Sertoli cells synthesize an androgen which the granulosa cells convert to dihydrotestosterone. C. Granulosa cells synthesize an androgen which the theca cells convert to estrogen. D. Theca cells synthesize an androgen which the granulosa cells convert to estrogen. E. Production of progesterone by the corpus luteum requires cooperative interaction between two cell types.
The extensor digitorum muscle is found in the
A. deep layer of the posterior compartment of the forearm. B. superficial layer of the posterior compartment of the forearm. C. superficial layer of the anterior compartment of the forearm. D. deep layer of the anterior compartment of the forearm.
This figure shows the endocrine system. Which number indicates the thymus gland?
A. 1 B. 2 C. 3 D. 4 E. 6
The common name for the distal interphalangeal joint is the _____________________________
Fill in the blank(s) with correct word