The Question Below Refers to the Following Information Figure 451
-Testosterone Is an Example of
A)an Androgen

question 33

Multiple Choice

The question below refers to the following information.
In an experiment, rats' ovaries were removed immediately after impregnation and then the rats were divided into two groups. Treatments and results are summarized in the table below
$\begin{array}{lcc}\hline&\text { Group } 1 &\text { Group } 2\\\hline (\text { Daily injections of }&&\\\text { progesterone (milligrams) } & 0.25 & 2.0 \\\text { Percentage of rats that } & & \\\text { carried fetuses to birth } & 0 & 100\\\hline\end{array}$

Figure 45.1
-Testosterone is an example of

• A)an androgen.
• B)an estrogen.
• C)a progestin.
• D)a catecholamine.
• E)melatonin.

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