Biochem Module 7 Exam 2023-2024
True or False: The ΔG value for a particular reaction is - 78kJ/mol. This value indicates the reaction is
spontaneous. -ANS-true
True or False: A biochemical metabolic pathway is a single reaction that converts starting material into
products. -ANS-false
True or False: A biochemical metabolic pathway is a series reaction that converts starting material into
products. -ANS-true
True or False: Three ATP molecules are used in the energy-investing stage of glycolysis. -ANS-false
True or False: The citric acid cycle occurs in the presence of oxygen. -ANS-true
True or False: The citric acid cycle occurs in the absence of oxygen. -ANS-false
True or False: The β-oxidation pathway only degrades odd-numbered fatty acids. -ANS-true
In total, how many ATP and/or NADH are produced in the glucose to pyruvate steps in glycolysis? -ANS-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? -ANS-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? -ANS-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? -ANS-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? -ANS-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? -ANS-2 ATP produced
What is the primary product of glycolysis? -ANS-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 ___. -ANS-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. -ANS-ATP
In glycolysis, when fructose-6-phosphate is preparing to split the phosphate donor in this reaction is
ATP, and the enzyme is ________. -ANS-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: -ANS-substrate-level phosphorylation
Under anaerobic condition, to which compound is pyruvate converted? -ANS-ethanol or lactate
The process that extracts energy as ATP but does not consume O2 or change the concentration of
NAD+/NADH: -ANS-fermentation
How many reactions are in glycolysis? -ANS-10
The reactions of glycolysis take place in/on the ___. -ANS-cytosol
How is ATP used in the initial steps of glycolysis? -ANS-source for phosphorylation
True or False: The ΔG value for a particular reaction is - 78kJ/mol. This value indicates the reaction is
spontaneous. -ANS-true
True or False: A biochemical metabolic pathway is a single reaction that converts starting material into
products. -ANS-false
True or False: A biochemical metabolic pathway is a series reaction that converts starting material into
products. -ANS-true
True or False: Three ATP molecules are used in the energy-investing stage of glycolysis. -ANS-false
True or False: The citric acid cycle occurs in the presence of oxygen. -ANS-true
True or False: The citric acid cycle occurs in the absence of oxygen. -ANS-false
True or False: The β-oxidation pathway only degrades odd-numbered fatty acids. -ANS-true
In total, how many ATP and/or NADH are produced in the glucose to pyruvate steps in glycolysis? -ANS-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? -ANS-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? -ANS-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? -ANS-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? -ANS-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? -ANS-2 ATP produced
What is the primary product of glycolysis? -ANS-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 ___. -ANS-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. -ANS-ATP
In glycolysis, when fructose-6-phosphate is preparing to split the phosphate donor in this reaction is
ATP, and the enzyme is ________. -ANS-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: -ANS-substrate-level phosphorylation
Under anaerobic condition, to which compound is pyruvate converted? -ANS-ethanol or lactate
The process that extracts energy as ATP but does not consume O2 or change the concentration of
NAD+/NADH: -ANS-fermentation
How many reactions are in glycolysis? -ANS-10
The reactions of glycolysis take place in/on the ___. -ANS-cytosol
How is ATP used in the initial steps of glycolysis? -ANS-source for phosphorylation
