The answer is d.their cells have some differences in the sequence of nucleotides in their nucleic acids
Human and mice is both mammals and have similar structure and metabolism. There should be no big differences in biological or organic molecule. The big differences should be the sequence of the nucleic acids in their DNA. Mice could produce similar protein in human, but the DNA is different.
Answer:
because your body is fighting against the disease
20 percent.
Since one strand is 20, the opposite that would connect with it (Thymine) would have the same amount so the total would be 100.
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Like all other heterotrophs, it eats and goes through cellular respiration.