Thymine
The two strands are held together by hydrogen bonds between the bases, with adenine forming a base pair with thymine, and cytosine forming a base pair with guanine.
Hello, to answer your question properly it is
C. <span>The waves emitted by the two sources have constant phase difference
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Answer:
Explanation:
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Spiders have malpighian tubules<span> to absorb salts and wastes while humans have microscopic subunits in the kidneys called </span>nephrons to filter blood. Malpighian tubules<span> remove wastes from insects by producing urine and solid nitrogenous waste, which are then excreted from the body.</span>
The answer is c Ability to contract upon freezing
