What initiates the monthly preparation of the uterus for pregnancy?

A. Prolactin
B. Estradiol
C. Oxytocin
D. Progesterone
E. Testosterone


Answer: B

Biology & Microbiology

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Which one of the following correctly lists components of extracellular matrix found in animals?

A. collagen, laminin, and elastin B. collagen, lignin, laminin, and pectin C. lignin, pectin, and keratin D. cellulose, pectin, lignin

Biology & Microbiology

Chart the path of molecules of a secreted protein beginning at the DNA for a eukaryote

What will be an ideal response?

Biology & Microbiology

________ groups contain only some of the descendants of a common ancestor

Fill in the blank(s) with correct word

Biology & Microbiology

Which of the following is not found in protozoan cells?

a. Cell walls b. Nucleus c. Mitochondria d. Cell membrane

Biology & Microbiology