DHN 311 Quizzes Questions with
Correct Answers
When considering a graph of an allosteric enzyme the negative inhibitor indicates the
enzyme is in the - Answer-T state
The energy that is used to move a reaction beyond the activation barrier is derived from
- Answer-The interaction between enzymes and substrates
A hormone that binds to its receptor that remains attached to the cell membrane is an
example of - Answer-Indirect signaling
When cell energy levels are high, phosphofructokinase-1 (PFK-1) is activated in the fed
state by - Answer-Fructose 2,6 bisphosphate
Lactate - Answer-is a substrate for gluconeogenesis.
High levels of acetyl CoA increase the activity of the enzyme _______ found in the
gluconeogenic pathway within the ______ tissue. - Answer-Pyruvate carboxylase, liver
The conversion of fructose-1,6-bisphosphate to fructose-6-phosphate is a reaction
found in which of the following pathway(s) - Answer-Gluconeogenesis
In gluconeogenesis, 2 molecules of pyruvate are needed for 1 molecule of glucose. -
Answer-True
When oxygen is not available, _____ is generated to produce _____, which allows
_______ to keep running. - Answer-Lactate, NAD+, glycolysis
The products of aerobic glycolysis include - Answer-2 Pyruvate, 2 NADH+H, 2 ATP
An enzyme reaction that joins two molecules is an example of a - Answer-Ligase
When oxidative phosphorylation decreases, this results in the accumulation of _______,
which causes the ________ to stop. This indicates the cell _____ ATP. - Answer-
NADH, Krebs Cycle, has enough ATP
NADH+H generates 3 ATP compared to the 2 ATP generated by FADH2 during
oxidative phosphorylation because NADH+H directly donates its electrons to Complex -
Answer-Complex I
Correct Answers
When considering a graph of an allosteric enzyme the negative inhibitor indicates the
enzyme is in the - Answer-T state
The energy that is used to move a reaction beyond the activation barrier is derived from
- Answer-The interaction between enzymes and substrates
A hormone that binds to its receptor that remains attached to the cell membrane is an
example of - Answer-Indirect signaling
When cell energy levels are high, phosphofructokinase-1 (PFK-1) is activated in the fed
state by - Answer-Fructose 2,6 bisphosphate
Lactate - Answer-is a substrate for gluconeogenesis.
High levels of acetyl CoA increase the activity of the enzyme _______ found in the
gluconeogenic pathway within the ______ tissue. - Answer-Pyruvate carboxylase, liver
The conversion of fructose-1,6-bisphosphate to fructose-6-phosphate is a reaction
found in which of the following pathway(s) - Answer-Gluconeogenesis
In gluconeogenesis, 2 molecules of pyruvate are needed for 1 molecule of glucose. -
Answer-True
When oxygen is not available, _____ is generated to produce _____, which allows
_______ to keep running. - Answer-Lactate, NAD+, glycolysis
The products of aerobic glycolysis include - Answer-2 Pyruvate, 2 NADH+H, 2 ATP
An enzyme reaction that joins two molecules is an example of a - Answer-Ligase
When oxidative phosphorylation decreases, this results in the accumulation of _______,
which causes the ________ to stop. This indicates the cell _____ ATP. - Answer-
NADH, Krebs Cycle, has enough ATP
NADH+H generates 3 ATP compared to the 2 ATP generated by FADH2 during
oxidative phosphorylation because NADH+H directly donates its electrons to Complex -
Answer-Complex I
