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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Answer:
b
Explanation:
a semi permeable membrane requires no energy since it allows safe passage of molecules from low to high think of it like a tea bag it has a high concentration and the low concentration is the hot water.
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A jet stream forms high in the upper troposphere between two air masses<span> of very different temperature. The greater the temperature difference between the air masses, the faster the wind blows in the jet stream.
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So "Differences in temperature between two air masses" is the answer
