The hormone that stimulates platelet formation is
A) thymosin.
B) thrombopoietin.
C) erythropoietin.
D) colony-stimulating factor.
E) endothelin.
B
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The stomach is C-shaped and extends from the duodenum to the spleen.
Answer the following statement true (T) or false (F)
The presence of a recessive gene can be detected (seen) only if the individual is
A) homozygous recessive. B) heterozygous dominant. C) heterozygous recessive. D) homozygous dominant. E) epistatic recessive.
The lining of the stomach
A) has folds called rugae. B) is covered by thick, viscous mucus. C) is composed of simple columnar cells. D) is constantly replaced. E) All of the answers are correct.
An eye that focuses an image behind the retina is ________
A) nearsighted B) myopic C) hyperopic D) None of the listed responses is correct.