CLEP Biology 4

Question 1

What is the main function of the hormone insulin?

Accepted Answer

Lower blood glucose

Answer

Insulin promotes glucose uptake by cells, lowering blood sugar.

Question 2

In an ecosystem, which trophic level typically contains the most available energy?

Accepted Answer

Primary producers

Answer

Producers hold the most energy, which decreases at each higher trophic level.

Question 3

Which process produces genetically identical daughter cells?

Accepted Answer

Mitosis

Answer

Mitosis produces two genetically identical diploid daughter cells.

Question 4

Which blood vessels carry oxygenated blood away from the heart (except the pulmonary artery)?

Accepted Answer

Arteries

Answer

Arteries carry blood away from the heart, usually oxygenated.

Question 5

What is the role of messenger RNA (mRNA) in protein synthesis?

Accepted Answer

Carries the genetic code from DNA to the ribosome

Answer

mRNA transcribes DNA's code and delivers it to the ribosome for translation.

CLEP Practice Test