Acetylcholine is the neurotransmitter important for muscle contraction as it binds to receptors on the membranes of muscles and cause the membranes to open channels for movement of calcium and sodium ions
"<span>The shape of an enzyme determines which reaction it can catalyze" would be the best option from the list, since most enzymes can only do their job if they "fit" into the structure that they wish to enhance, or "speed up". </span>
Answer:
PCR=Polymerase chain reaction
Explanation:
Ultraviolet light can cause thymine dimers, potentially creating a mutation that could lead to cancer.
<h3>What Causes Thymine Dimers ?</h3>
In a single POLYNUCLEOTIDE CHAIN a pair of THYMINE residues that have become chemically bonded by the action of ULTRAVIOLET LIGHT. The lesion can inhibit DNA replication unless repaired.
Pyrimidine Dimers or thymine dimers are usually covalent links between adjacent pyrimidine bases on the same strand of DNA.
Thymine dimers distorts the DNA shape and prevents the accurate copying of DNA, which causes mutations.
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