The Question Below Refers to the Following Information Figure 451
-Which of the Following Is a Steroid Hormone That

question 10

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
-Which of the following is a steroid hormone that triggers molting in arthropods?

• A)ecdysone
• B)glucagon
• C)thyroxine
• D)oxytocin
• E)growth hormone

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