A lack of intrinsic factor, leading to a deficiency of vitamin B12 and causing an appearance of large pale cells called macrocytes, is characteristic of ________
A) polycythemia
B) sickle-cell anemia
C) aplastic anemia
D) pernicious anemia
D
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Which of the following is not a function of melatonin?
a. induces natural sleep b. suppresses reproductive hormones c. plays a role in breeding behavior d. enhances immunity e. all of the above are functions
Pyruvate dehydrogenase is a multienzyme complex that brings together a molecule of pyruvate and a molecule of coenzyme A
Indicate whether this statement is true or false.
Which group of muscles covers the dorsal surface of the neck and scapula?
A) trapezius group B) deltoid group C) rhomboideus group D) pectoralis group
Within the ovary, there are always a large number of ovarian follicles poised to release an ovum at ovulation.
Answer the following statement true (T) or false (F)