Question

What is the difference between the DNA of a dog and the DNA of a fly?

A. The strength of covalent bonds.

B. The sequence of nucleotides.

C. The strength of hydrogen bonds.

D. The type of sugar building blocks.

Answer 1

Answer:

B. The sequence of nucleotides.

Explanation:

Different proteins build up.

Answer 2

The difference between the DNA of a dog and the DNA of a fly is the sequence of nucleotides (Option B). All organisms have DNA in their cells.

Desoxyribonucleic acid (DNA) is a molecule that contains the instructions (i.e., the genetic material) required to build and maintain the homeostasis, i.e., the internal equilibrium, of an organism.

Structurally, this molecule (DNA) is the same in all organisms.

DNA is composed of two long chains of nucleotides linked together by hydrogen bonds. The linear order of these nucleotides (i.e., Adenine, Guanine, Cytosine, and Thymine) determines the type and amount of proteins that are synthesized from a genome.

In conclusion, the difference between the DNA of a dog and the DNA of a fly is the sequence of nucleotides (Option B).

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