1.) A nucleotide of DNA consists of a sugar, a phosphate, and a nitrogen containing base.
2.) A mutation is a change in the base sequence of a DNA molecule
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A dam is a structure built across a stream or river to hold water back. Dams can be used to store water, control flooding, and generate electricity.
Polypeptide:
A chain of amino acids linked together by peptide bonds and having a molecular weight of up to about 10,000.
Dipeptide:
A peptide that yields two amino acids on hydrolysis.
I don’t know sorry, I hope the person above me is correct. If they’re not sorry I can’t help :(
Answer:
b. can be highly variable depending on season and rainfall.
Explanation: