Question

Which of the following hormones is a steroid?

A. Estrogen

B. Glucagon

C. Insulin

D. Oxytocin

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Answer 1

A will be the right answer that is estrogen

Answer 2

Estrogen (a) is a steroid hormone.

• Steroid hormone is chemically a steroid which acts as a hormone.
• These hormones are of two types- a. Corticosteroids ( Synthesized from the adrenal cortex) and b. Sex steroids (Synthesized from gonads and placenta).
• These forms of hormones are lipids.
• They can pass through the cell membrane as they are fat-soluble, and then bind to steroid hormone receptors.
• Steroid hormones are bound to carrier proteins (serum proteins) that bind them and increase the hormones' solubility in water and are transported through the blood.
• Estrogen is a sex hormone which acts for the development and regulation of the female reproductive system and secondary sex characteristics.

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