Answer:
biotic and abiotic interactions
on gradpoint
Explanation:
they both need other things to survive. the grape vine needs water sunlight and air. mosquitos need other living organisms
i think its D but i'm not 100% sure
Answer:
<u>Once the myosin-binding sites are exposed, and if sufficient ATP is present, myosin binds to actin to begin cross-bridge cycling. Then the sarcomere shortens and the muscle contracts. In the absence of calcium, this binding does not occur, so the presence of free calcium is an important regulator of muscle contraction.</u>
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Answer:
Deletion mutations can affect the entire base sequence.
Explanation: