Where is an atrioventricular valve located?

a. where blood enters the aorta
b. between the right atrium and the right ventricle
c. between both atria and ventricles
d. between the left atrium and the left ventricle


Ans: c. between both atria and ventricles

Biology & Microbiology

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Which of the following best describes mollusks?

A) They have radial body symmetry and a soft body always covered with a shell. B) They are bilaterally symmetrical and have a soft body always covered with a shell. C) They have radial body symmetry and a soft body sometimes covered with a shell. D) They are bilaterally symmetrical and have a soft body sometimes covered with a shell.

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radiation

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Biology & Microbiology

Where is the checkpoint that assesses the DNA for damage?

a. G1 b. G2 c. S d. M

Biology & Microbiology