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vlabodo [156]
3 years ago
10

What motion moves food down the esophagus to the stomach

Biology
1 answer:
nekit [7.7K]3 years ago
8 0
Peristalsis<span> is a radically symmetrical </span><span> contraction and relaxation of muscles</span><span> that propagates in a wave</span><span> down a tube, in an anterograde direction.</span>
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3 years ago
When more than one operon is under the control of a single regulatory protein, the operons are collectively called a(n) When mor
fomenos

Answer:

Regulon

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