Cholesterol, testosterone, and estrogen are
all examples of which are chemical
messengers that the body uses.
A. sugars
B. steroids
C. proteins

Respuesta :

They are all examples of:

B. Steroids


Explanation:
- Cholesterol is the most common steroid and is the precursor to vitamin D.
- Estrogens are a group of steroid hormones that control the development and maintenance of an individual's feminine characteristics.
- Testosterone is the primary male sex hormone and anabolic steroid.