During pregnancy, which hormone relaxes the smooth muscle of the uterus and artery walls?
Answer: progesterone
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What molecule(s) link the light reactions (stage 1 of photosynthesis) to the Calvin cycle (stage 2 of photosynthesis)?
A. The electron shuttles (ATP and NADPH) B. The water C. The sugars D. The oxygen and carbon dioxide molecules
A neuron innervating your bicep muscle would be considered part of the
A. central nervous system. B. peripheral nervous system. C. autonomic nervous system. D. sympathetic nervous system. E. parasympathetic nervous system.
A charged tRNA with the anticodon 5' AUG 3' would carry which amino acid?
a. Phe b. His c. Met d. Val
Microcystis aeruginosa is a species of cyanobacteria. What CANNOT be true of this species?
A. It uses ammonia to produce proteins. B. Its cells contain an extensive thylakoid. C. It synthesizes organic molecules. D. It is an obligate anaerobe. E. It secretes mucilage.