How Many Different Types of Amino Acids Are There in Proteins

question 12

Multiple Choice

How many different types of amino acids are there in proteins?

• A)1
• B)3
• C)20
• D)50

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Definitions:

Perimenopausal

The transition phase before menopause, marked by changes in menstrual cycle and symptoms like hot flashes.

Estrogen

A group of steroid hormones that play a vital role in the development and functioning of female reproductive tissues, as well as secondary sexual characteristics.

Testosterone

A steroid hormone that is the primary male sex hormone, playing key roles in the development of male reproductive tissues as well as promoting secondary sexual characteristics such as increased muscle and bone mass.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in the body's fight-or-flight response, increasing heart rate and blood flow.