Question

Explain how the same four nitrogen bases contribute to the variation seen between you and other humans.

Answer 1

The four nitrogen bases contribute to the variation between humans because the order of nucleotides determines phenotypic features associated with genetic inheritance.

• In DNA, there are four types of nucleotides, each containing one different nitrogen base.

• The four nitrogen bases in DNA nucleotides are Adenine, Guanine, Cytosine, and Thymine.

• The linear order of these nucleotides in genes largely determines the phenotypic features associated with genetic inheritance.

In conclusion, the four nitrogen bases contribute to the variation between humans because the order of nucleotides determines phenotypic features associated with genetic inheritance.

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Answer 2

Answer:.nitrates

            .ammonia

             .proteins

             . ammonium salts

Explanation: the variations of the nitrogen bases are: $NO3$ (nitrate), which is found in the plant nodules that we feed on,

.Ammonia, which is excreted by us through urines, which also contains nitrogen, which when absorbed into the soil, form ammonium salts

.proteins, that we get when we feed on nitrogenous foods, which when we die they get decomposed into nitrates and ammonia.

.ammonium salts, teat are changed by the nitrifying bacterias into nitrogen gas which returns back in the atmosphere

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