★ Cell Review Quiz
Cells need to bring in molecules to carry out cellular processes. Often, this requires moving the molecules across the cell membrane against the concentration gradient. How do these molecules get into the cell?
A. passive transport by diffusion
B. active transport using ATP
C. passive transport by osmosis
D. osmosis
Select your answer:
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A. Low blood sugar
B. High blood pressure
C. Low cholesterol
D. High cholesterol
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Which of the following nutrients provides energy to the body?
A. carbohydrates
B. vitamins
C. water
D. minerals