The most precise prenatal diagnosis for detecting chromosomal abnormalities is __________. Fill in the blank(s) with the appropriate word(s)
ANS: chrorionic villus sampling/ CVS
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Which is the correct plural form of the word for the organisms studied in this exercise?
(a) alga. (b) algae. (c) algas. (d) algaes.
The pulmonary capillaries
a. are closely associated with alveoli but do not fuse. b. fuse with the alveoli to facilitate gas exchange. c. bring oxygenated blood back to the heart. d. bring deoxygenated blood back to the heart. e. fuse with the alveoli to facilitate gas exchange, and bring oxygenated blood back to the heart.
In the electron transport system, the energy used to synthesize ATP comes from the diffusion of ________ from the outer compartment of the mitochondria to the inner compartment
A) electrons B) NADH C) hydrogen ions D) FADH2 E) pyruvate
Select the phrases that can be associated with intersexual selection
A. peahens choosing peacocks with greater number of eyespots in their tail feathers B. males fighting males to win a territory C. mate choice D. sexual selection within a sex