Poisons like cyanide bind to ________ and prevent electron transfer
A) enzymes
B) the endoplasmic reticulum
C) acetyl-CoA
D) cytochromes
E) mitochondria
Answer: D
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In the late stages of pregnancy, estrogen stimulates increased
A. growth of the corpus luteum. B. release of hCG. C. production of oxytocin receptors in the uterus. D. secretion of atrial natriuretic factor by the heart.
Inhibiting adenyl cyclase in olfactory sensory neurons would
A) convert the olfactory receptors from phasic to tonic receptors. B) expand the range of sensitivity of these receptors. C) increase the sensitivity of these receptors. D) have no effect on these receptors. E) reduce the sensitivity of these receptors.
Active factor X is related to thrombin in the same way that _______ is related to fibrin
Fill in the blank(s) with correct word
The enterogastric reflex and enterogastrones inhibit gastric motility but stimulate gastric secretion
Indicate whether the statement is true or false