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skelet666 [1.2K]
3 years ago
7

Certain poisons are toxic to organisms because they interfere with the function of enzymes in mictochondria. This results direct

ly in the inability of the cell to
Biology
1 answer:
Svetllana [295]3 years ago
6 0
Produce ATP, a necessary energy source
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In the “energizing stage” of the sliding filament theory of muscle contraction, ATP breaks down and releases energy to cause the
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Calcium ions presents Ca+ binds to troponin which makes tropomyosin move out of way for myosin to attach. Cross-bridge attaches. ATP breakdown provides energy to ready the myosin head for a power stroke. Myosin head attaches to exposed binding site on actin and the power stroke is accomplished. Cross-bridge (Myosin head) springs from raised position and pulls on the actin filament. Cross bridges break, ATP binds to Cross-bridge (but is not yet broken down) Myosin heads are released from actin. As long as calcium ions and ATP are present, this walking continues until the musle fiber is fully contracted. Hope this helps!
5 0
3 years ago
I’m confused on this question
kotegsom [21]
The answer is b
Good luck!
4 0
3 years ago
Whatr is the function of autotropns in the carbon cycle
bija089 [108]

Answer:

The biological carbon cycle

Autotrophs capture carbon dioxide from the air or bicarbonate ions from the water and use them to make organic compounds such as glucose. Heterotrophs, or other-feeders, such as humans, consume the organic molecules, and the organic carbon is passed through food chains and webs.

Explanation:

8 0
2 years ago
In adult animals, ___________ are a source of undifferentiated cells that can divide to produce cells that can specialize.
garik1379 [7]

Answer:

Stem Cells

Explanation:

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3 0
2 years ago
What would happen to the bird population if all the bird types in this activity flew to an island where no birds before and the
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They would die out. is this a real question?
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