Question

Which type of hormones are estrogen and progesterone secreted by the ovary?

• A. Proteinaceous
• B. Amino acid derived
• C. Polypeptide
• D. Steroid

Answer 1

The correct option is D

Steroid

The correct option is D.

Explanation for correct option:

1. Estrogen and progesterone secreted by the ovary are steroid hormones.
2. Steroid hormones are a group of hormones that are derived from cholesterol that function as a chemical messenger in the body.

Explanation for incorrect options:

Option A:

1. Hormones that are proteinaceous in nature are known as proteinaceous hormones.
2. Insulin and glucagon are examples of proteinaceous hormones.

Option B:

1. Amino acid-derived hormones are derived from the amino acids tyrosine or tryptophan.
2. They include epinephrine and norepinephrine hormones.

Option C:

1. Hormones that comprise polypeptide chains are known as polypeptide hormones.
2. These include glycoproteins.

Final answer: Estrogen and progesterone secreted by the ovary are steroid hormones.