ATP provides cells with energy needed for?
ATP (adenosine triphosphate) provides cells with the energy needed for various cellular processes. These processes include:
1. Metabolism: ATP powers the reactions involved in the breakdown of nutrients such as carbohydrates, fats, and proteins. This energy allows cells to extract useful molecules and convert them into building blocks or fuel.
2. Active Transport: Many substances need to be moved across cell membranes against the concentration gradient. ATP provides the energy required for active transport, allowing cells to maintain proper ion balance and nutrient uptake.
3. Muscle Contraction: ATP is essential for muscle contraction. When muscle fibers contract, ATP is used to power the movement of proteins within the muscle cells, resulting in muscle contraction and movement.
4. Cell Division: ATP is needed during mitosis (cell division) to power various processes, including the separation of replicated chromosomes, formation of the spindle fibers, and cytokinesis, the division of the cytoplasm.
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