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Biochem Module 7 Exam/43 Questions With complete Solutions
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Biochem Module 7 Exam/43 Questions Withcomplete Solutions
True or False: The ΔG value for a particular reaction is -78kJ/mol. This value
indicates the reaction is spontaneous. - -true
-True or False: A biochemical metabolic pathway is a single reaction that
converts starting material into products. - -false
-True or False: A biochemical metabolic pathway is a series reaction that
converts starting material into products. - -true
-True or False: Three ATP molecules are used in the energy-investing stage
of glycolysis. - -false
-True or False: The citric acid cycle occurs in the presence of oxygen. - -true
-True or False: The citric acid cycle occurs in the absence of oxygen. - -false
-True or False: The β-oxidation pathway only degrades odd-numbered fatty
acids. - -true
-In total, how many ATP and/or NADH are produced in the glucose to
pyruvate steps in glycolysis? - -2 ATP and 2 NADPH produced
-In converting glucose to pyruvate, how many ATP or NADH are produced (or
required) in the fructose-6-phosphate to fructose-1,6-bisphosphate step in
glycolysis? - -1 ATP required
-In converting glucose to pyruvate, how many ATP or NADH are produced (or
required) in the glucose to glucose-6-phosphate step in glycolysis? - -1 ATP
required
-In converting glucose to pyruvate, how many ATP or NADH are produced (or
required) in the
glyceraldehyde 3-phosephate to 1,3-bisphosphoglycerate step in glycolysis?
- -2 NADH produced
-In converting glucose to pyruvate, how many ATP or NADH are produced (or
required) in the
1,3-bisphosphoglycerate to 3-phosphoglycerate step in glycolysis? - -2 ATP
produced
-In converting glucose to pyruvate, how many ATP or NADH are produced (or
required) in the
, phosphoenolpyruvate to pyruvate step in glycolysis? - -2 ATP produced
-What is the primary product of glycolysis? - -pyruvate
-In glycolysis, when glucose enters a cell, it is immediately phosphorylated
to form glucose-6-phosphate. The phosphate donor in this reaction is ATP,
and the enzyme is ___. - -hexokinase
-In glycolysis, when glucose enters a cell, it is immediately phosphorylated
to form glucose-6- phosphate.
The phosphate donor in this reaction is _______, and the enzyme is
hexokinase. - -ATP
-In glycolysis, when fructose-6-phosphate is preparing to split the phosphate
donor in this reaction is ATP, and the enzyme is ________. - -
phosphofructokinase-1
-In the last reaction of glycolysis, ATP is formed by the direct transfer of a
phosphate group from a metabolite to ADP. This process is referred to as: - -
substrate-level phosphorylation
-Under anaerobic condition, to which compound is pyruvate converted? - -
ethanol or lactate
-The process that extracts energy as ATP but does not consume O2 or
change the concentration of NAD+/NADH: - -fermentation
-How many reactions are in glycolysis? - -10
-The reactions of glycolysis take place in/on the ___. - -cytosol
-How is ATP used in the initial steps of glycolysis? - -source for
phosphorylation
-Which of the following is a cyclic pathway?
a. CAC
b. PDH
c. glycolysis
d. oxidative phosphorylation
e. beta-oxidation - -a. CAC
-Which of the following is a ten-step pathway?
a. CAC
b. PDH
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