Testosterone is categorized as which of the following types of hormones?

A. Progestin

B. Androgen

C. Aldosterone

D. Estrogen

Answer Explanation:

Testosterone is a hormone that belongs to the class of androgens, which are responsible for the development and maintenance of male characteristics. Androgens are synthesized from cholesterol and can be converted into other types of hormones, such as estrogens and progestins. Aldosterone is a different type of hormone that regulates the balance of salt and water in the body.

Therefore, the Correct Answer is B.

Q #1: In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?

A. ffx ff

B. Ffx Ff-

C. Ff x ff

D. FFX FF

Answer Explanation

To produce only offspring with smooth leaves, the parents must both have two copies of the recessive allele (f) for this trait.
Q #2: Which of the following substances protects the skin from ultraviolet radiation?

A. Melanin

B. Perspiration

C. Sebum

D. Keratin

Answer Explanation

One of the functions of the skin is to protect the body from harmful effects of ultraviolet (UV) radiation. UV rays can damage the DNA of skin cells and cause mutations that may lead to skin cancer. The skin has a natural defense mechanism against UV radiation, which is the production of a pigment called melanin. Melanin is synthesized by specialized cells called melanocytes, which are located in the basal layer of the epidermis. Melanin absorbs UV rays and prevents them from reaching the deeper layers of the skin.
Q #3: The measurement indicated by the line across the center of the cell is best referred to as which of the following?

A. Diameter

B. Volume

C. Area

D. Radius

Answer Explanation

One way to assess the size of a cell is to measure its diameter, which is the length of a straight line that passes through the center of the cell and touches both sides. The measurement indicated by the line across the center of the cell in the diagram is best referred to as the diameter of the cell.

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Testosterone is categorized as which of the following types of hormones?

More Questions on TEAS 7 Science

Q #1: In a plant in which fuzzy leaves (F) are dominant over smooth leaves (f), which of the following crosses will produce only offspring with smooth leaves?

Answer Explanation

Q #2: Which of the following substances protects the skin from ultraviolet radiation?

Answer Explanation

Q #3: The measurement indicated by the line across the center of the cell is best referred to as which of the following?

Answer Explanation

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