Question

select the correct answer.

anabolic steroids increase muscle and stamina. therefore, they are very popular among competitive athletes, both male and female, who want to improve their performance.

what are anabolic steroids?

a. nonfood sources of nutrients
b. concentrated vitamin and protein pills
c. synthetic versions of the male hormone testosterone

Explanation:

To determine what anabolic steroids are, we analyze the options:

• Option A: Anabolic steroids are not primarily nonfood sources of nutrients; their main function is related to hormone - like effects, not nutrient provision from non - food sources.
• Option B: Anabolic steroids are not just concentrated vitamin and protein pills. They have a different chemical nature and function related to hormones.
• Option C: Anabolic steroids are synthetic versions of the male hormone testosterone. This is a well - known fact in the field of biology (a subfield of Natural Science) related to the study of hormones and their synthetic analogs.

Answer:

C. synthetic versions of the male hormone testosterone