What is a difference between the structure of DNA and proteins?

A) DNA is composed of amino acids and proteins are composed of nucleotides.
B) DNA is composed of the four nucleotides A, G, C, and T and proteins are composed of the four nucleotides A, G, C, and U.
C) DNA is composed of nucleotides and proteins are composed of amino acids.
D) DNA is composed of 10 different amino acids and proteins are composed of 20 different amino acids.


C) DNA is composed of nucleotides and proteins are composed of amino acids.

Biology & Microbiology

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The presence of genes that encode many types of hemoglobin in mammals, but not in other vertebrates that evolved

earlier, is evidence of ____ of genetic material.

a. an inversion b. the duplication c. reciprocal translocation d. the deletion e. both duplication and deletion

Biology & Microbiology

Chromosomal translocation involves chromosome breakage and reattachment of the broken segment to a ________

Fill in the blank(s) with correct word

Biology & Microbiology

In the past, oxygen uptake in a patient was measured as a means of determining whether a certain endocrine gland was working properly. Which of the following glands was this method most likely assessing?

A) pineal B) thyroid C) testes D) parathyroid

Biology & Microbiology

Molecules that are ______ dissolve best in water, while ______ molecules do not dissolve well in water.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology