In males, the primary source of estrogens is the ________

A) hypothalamus
B) heart
C) adrenal cortex
D) ovaries


C

Biology & Microbiology

You might also like to view...

In the cells of a female mammal, ________ is(are) inactivated

a. either the maternal or paternal X chromosome b. all maternal X chromosomes c. all paternal X chromosomes d. both the maternal and paternal X chromosomes

Biology & Microbiology

Which of the following is a gastropod?

a. clam. b. snail. c. squid. d. octopus.

Biology & Microbiology

The best model organism for studying cell fate from fertilized egg through adult is

A) Arabidopsis thaliana. B) Caenorhabditis elegans. C) Drosophila melanogaster. D) Mus musculus. E) Saccharomyces cerevisiae.

Biology & Microbiology

Segmentation is the primary means of mechanical breakdown of food in the digestive tract

Indicate whether the statement is true or false

Biology & Microbiology