Which of the following is an exploited product of lactate fermentation?
a. butter
b. beer
c. yogurt
d. ice cream
e. loaf of breadDuring fermentation, the immediate fate of the electrons in NADH is that they:a.
are transferred to the electron transport chain.
b. are transferred to an organic molecule.
c. are transferred to O2.
d. are used to make CO2.
e. are used to form H2O.
c
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Recall Pasteur's experiment on spontaneous generation. If he had just warmed the nutrient-rich broth, rather than boiled it, what would have been the likely outcome of his experiment? Cells would _____
A) not have appeared in either flask B) have appeared in both flasks C) have appeared in the swan-neck, but not the straight-neck flask D) have appeared in the straight-neck, but not the swan-neck flask
Nonenveloped viruses most often gain access to eukaryotic host cells by
A. fusion with the host cell plasma membrane followed by entrance of the nucleocapsid into the cytoplasm. B. nucleic acid injection through the plasma membrane. C. endocytosis. D. pinocytosis.
A taproot system lacks
(a) lateral roots. (b) a taproot. (c) both of the above. (d) none of the above.
During absorption in the small intestine, ____ cross the brush border cells, eventually ending up in the lymph vessels
a. simple sugars b. fatty acids and glycerol c. amino acids d. nucleotides e. complex sugars