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
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Other quiz: Circulatory System and Nutrition
Organic compounds that help our body to work properly. e.g. A, C, B, K, D