An enzyme produced by the kidneys that is important for the regulation of blood pressure and blood volume is
A) thyroxine.
B) bilirubin.
C) renin.
D) angiotensin I.
E) thymosin.
C) renin.
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Sperm are produced in the:
A) testes B) epididymis C) vas deferens D) scrotum
The production of leukocytes is called _______________
Fill in the blank with correct word.
Identify structure "E" on the bottom diagram
A. autonomic ganglion B. somatic motor neuron C. effector organ (smooth muscle of GI tract) D. postganglionic neuron E. preganglionic neuron
You're researching a steroid hormone that binds to a receptor inside the cell. Once the receptor binds to its hormone, the receptor moves into the nucleus of the cell. The result of hormone-receptor binding is that new mRNA molecules are made. The receptor is also a
A. splicosome. B. ribosome. C. tRNA molecule. D. promoter. E. transcription factor.