In the process of active transport, substances are moved across the cell membrane against their concentration gradient, requiring energy. This is achieved through specialized transport proteins embedded in the cell membrane. These proteins use energy from ATP (adenosine triphosphate) to pump substances, such as ions or molecules, across the membrane. This allows the cell to maintain specific internal conditions and control the movement of substances in and out of the cell. Active transport is essential for various cellular processes and maintaining homeostasis. ⚡️
Primary active transport, also called direct active transport, directly uses metabolic energy to transport molecules across a membrane. Substances that are transported across the cell membrane by primary active transport include metal ions, such as Na+, K+, Mg2+, and Ca2+.
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Answer:
In the process of active transport, substances are moved across the cell membrane against their concentration gradient, requiring energy. This is achieved through specialized transport proteins embedded in the cell membrane. These proteins use energy from ATP (adenosine triphosphate) to pump substances, such as ions or molecules, across the membrane. This allows the cell to maintain specific internal conditions and control the movement of substances in and out of the cell. Active transport is essential for various cellular processes and maintaining homeostasis. ⚡️
Answer:
Primary active transport, also called direct active transport, directly uses metabolic energy to transport molecules across a membrane. Substances that are transported across the cell membrane by primary active transport include metal ions, such as Na+, K+, Mg2+, and Ca2+.
Explanation:
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