MCQOPTIONS
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| 1. |
Which one of the following is active transport? |
| A. | It is the movement of a substance against a diffusion gradient with the use of energy from respiration. |
| B. | It is the movement of a substance against a diffusion gradient without the use of energy. |
| C. | It is the movement of a substance against a diffusion gradient with the use of energy from photosynthesis. |
| D. | It is the movement of a substance along a diffusion gradient with the use of energy from respiration. |
| Answer» B. It is the movement of a substance against a diffusion gradient without the use of energy. | |