When blood returns from the pulmonary circuit, it first enters the ____ chamber of the heart
a. left atrium
b. left ventricle
c. right atrium
d. right ventricle
e. both the left atrium and the right atrium
ANSWER: a
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A) ecdysteroid B) glucagon C) thyroxine D) oxytocin E) growth hormone
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What will be an ideal response?
Mutations in the TATA box increase the rate of transcription
__________________ Indicate whether the statement is true or false.