Secondary active transport … A. Moves a molecule against its chemical gradient but with its concentration gradient. B. Moves a molecule against its concentration gradient but with its chemical gradient. C. Uses ATP to directly move molecules against their electrochemical gradient. D. Uses an electrochemical gradient of one molecule to power movement of a different molecule against its electrochemical gradient.
Secondary active transport …
| A. |
Moves a molecule against its chemical gradient but with its concentration gradient. |
|
| B. |
Moves a molecule against its concentration gradient but with its chemical gradient. |
|
| C. |
Uses ATP to directly move molecules against their |
|
| D. |
Uses an electrochemical gradient of one molecule to power movement of a different molecule against its electrochemical gradient. |
All living cells, must get a supply of essential substances like nutrients electrolytes, water, etc. At the same time, the cells must get rid of many unwanted substances or toxic substances. Thus, transporting substances in and out of the cell is one of the basic functions. Cell membranes are semipermeable and various modes of transport are used for transporting different kinds of substances.
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