Put in order
Acetylcholine diffuses across synapse and
attaches to ACh receptors on sa...
Biology, 22.01.2021 07:10 delvin7698
Put in order
Acetylcholine diffuses across synapse and
attaches to ACh receptors on sarcolemma
Myosin heads bind to actin forming crossbridges
Nerve impulse reaches the axon terminal
Calcium ions are released from sarcoplasmic reticulum
Calcium ions bind to
regulatory proteins on actin, exposing binding sites for myosin
Actin filaments are pulled toward the center of the sarcomere
ACh causes change in membrane permeability to Na+ and K+; action potential is generated
Acetylcholine is released
The sarcomere shortens and the muscle contracts
Answers: 1
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Which statement is true about cell differentiation? cell differentiation happens in all cells. results in two new identical daughter cells. causes cells to change type and become specialized. occurs during cell division.
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Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?
Answers: 1
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