Teratogens affect the ____ more than any other part of the fetal body
a. central nervous system
b. upper limbs
c. heart
d. lower limbs
e. external genitalia
a
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What types of molecules serve as C sources for catabolism and what are their similarities/differences?
What will be an ideal response?
Some bacteria avoid being phagocytized by a host's immune system by means of:
a. ameboid motion. b. their capsule or slime layer. c. efficient use of their flagella. d. changing their cell wall structure. e. eliminating the use of a membrane
Wernicke's area of the temporal lobe is involved in the:
a. body's biological clock. b. coordination of motor activity. c. recognition and interpretation of words. d. processing of chemical stimuli. e. processing of visual stimuli.
What is the role of pyruvic acid in fermentation?
a. It becomes the final electron acceptor for the electron transport chain in the absence of oxygen. b. It takes the electrons from NADH, oxidizing it back into NAD+. c. It provides the protons to be used in the electron transport chain. d. It is the organic acid end-product of fermentation.