Strands of DNA Consist of Four Types of Nucleotides That

question 53

Multiple Choice

Strands of DNA consist of four types of nucleotides that are identical except for the base. Which of the following is NOT one of the four bases?

• A) adenine
• B) guanine
• C) cryosine
• D) thymine

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Definitions:

Secondary Sex Characteristics

Traits that distinguish the two sexes of a species, but are not directly involved in reproduction, such as facial hair in males or widened hips in females.

Testosterone

A steroid hormone produced mainly in the testes in males and the ovaries in females, playing a key role in the development of male reproductive tissues and secondary sexual characteristics.

Estrogen

A group of steroid hormones that play a critical role in the development and regulation of the female reproductive system and secondary sexual characteristics.

Cortisone

A glucocorticoid hormone used as a medication to treat inflammation, allergies, and rheumatoid arthritis among other conditions.