The presence or absence of which hormone(s) is critical in determining the development of either male or female reproductive structures in an embryo?
A) androgens
B) estrogen
C) gonadotropin-releasing hormone
D) progesterone
A
Biology & Microbiology
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Answer the question using the accompanying figure. The region that determines the class of antibody is indicated by
number ____.
a. 1 b. 2 c. 3 d. 4 e. 5
Biology & Microbiology
in a hypertonic solution, the cell will _______- water
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
DNA is associated with proteins, forming a complex called:a
chromosomes. b. nucleoli. c. nucleus. d. genes. e. chromatin.
Biology & Microbiology
What do amoebas use pseudopodia for besides movement?
a. excretion b. feeding c. avoiding predation d. asexual reproduction
Biology & Microbiology