Which is one of the three major categories of sex hormones?
A) glucocorticoids
B) estrogens
C) glucagons
D) prolactins
Answer: B
Biology & Microbiology
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Mitochondria and chloroplasts are thought to have arisen from:
A. endosymbiotic episodes. B. parasitic interactions. C. normal organelle development. D. None of these answers are correct.
Biology & Microbiology
The birth of Louise Brown was the first person born as a result of _____
a. in vitro fertilization b. sex selection c. intrauterine insemination d. laparoscopy e. genetically engineering of human-animal hybrids
Biology & Microbiology
Convex lenses can correct ________, also called farsightedness
Fill in the blank(s) with correct word
Biology & Microbiology
How do archaeans and bacteria differ?
A. Size B. Shape C. Plasma membrane composition D. Absence of a nucleus E. Mode of cellular division
Biology & Microbiology