Which of the following is the best definition of fermentation?
A) the partial reduction of glucose to pyruvic acid
B) the partial oxidation of glucose with organic molecules serving as electron acceptors
C) the complete catabolism of glucose to CO2 and H2O
D) the production of energy by oxidative-level phosphorylation
E) the production of energy by both substrate and oxidative phosphorylation
B
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Match the following items with the correct phrases.
_______1. The end product of ____________________ is a messenger RNA molecule. _______2. Combining two monosaccharides to form a disaccharide is an example of ____________________. _______3. James Watson and Francis Crick were the first to publish an article describing ____________________. _______4. The end product of ____________________ is a protein. _______5. Breaking the bond in a disaccharide to produce two monosaccharides is an example of ____________________. a. a dehydration synthesis reaction b. DNA replication c. a hydrolysis reaction d. transcription e. translation
Which of the following would not be found in a vial containing DNA?
a. nucleotides b. phosphate c. adenine d. uracil
Refer to Figure 31-5. In which class is this organism placed?
A. Cephalopoda
B. Gastropoda
C. Polyplacophora
D. Bivalvia
E. Chromodoris
Substrate-level phosphorylation occurs in
A. Krebs cycle and electron transport chain. B. glycolysis and electron transport chain. C. glycolysis and Krebs cycle. D. photosynthesis and glycolysis. E. All of these choices are correct.