Use the figure to answer the following question.

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. The results most likely occurred because progesterone exerts an effect on the ________.
A) general health of the rat
B) metabolism of the uterus
C) gestation period of rats
D) number of eggs fertilized

Question

Use the figure to answer the following question.

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. The results most likely occurred because progesterone exerts an effect on the ________.
A) general health of the rat 
B) metabolism of the uterus 
C) gestation period of rats 
D) number of eggs fertilized

Quizplus · Accepted Answer

Progesterone is a hormone that plays a crucial role in the uterus by preparing it for pregnancy, promoting the development of the endometrium, and supporting the implantation of the fertilized eggs. Therefore, the results most likely occurred because progesterone exerts an effect on the metabolism of the uterus.

Use the Figure to Answer the Following Question