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KiRa [710]
3 years ago
9

I need help with one paragraph.

Biology
1 answer:
sammy [17]3 years ago
3 0

Answer:

this is correct

Explanation:

this is correct

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What ions, ATP, and neurotransmitters are used in muscle contraction and where are they used??
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Answer:

Hiya there!

Explanation:

ATP then binds to myosin, moving the myosin to its high-energy state, releasing the myosin head from the actin active site. ATP can then attach to myosin, which allows the cross-bridge cycle to start again; further muscle contraction can occur.

acetylcholine : Skeletal muscle contraction and changes with exercise. (A) Neurotransmitter (acetylcholine, ACh) released from nerve endings binds to receptors (AChRs) on the muscle surface.

The muscle contraction cycle is triggered by calcium ions binding to the protein complex troponin, exposing the active-binding sites on the actin. As soon as the actin-binding sites are uncovered, the high-energy myosin head bridges the gap, forming a cross-bridge.

Credit sourced from "bio.libretexts.org"

Hope this <em><u>Helped!</u></em> :D

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Meiosis is sometimes called reduction division. what does this mean and why is it important
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Homeostasis will be MOST affected by the removal of the
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