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WGU C785 BIOCHEMISTRY UNIT EXAM QUESTIONS AND ANSWERS 2024
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WGU C785 BIOCHEMISTRY UNIT EXAM QUESTIONS AND ANSWERS 2024
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WGU C785 BIOCHEMISTRY UNIT EXAMDuring gluconeogenesis, how many ATP molecules are consumed for each glucose
molecule produced?
4
2
1
6 - ANSWERS-6
It takes 6 ATP molecules to produce glucose through gluconeogenesis.
Which molecule signals the liver to release glucose by breaking down glycogen?
Insulin
Eicosanoids
,ATP
Glucagon - ANSWERS-Glucagon
Insulin release increases glycogenesis which forms new glucose.
Which molecule is regenerated with the production of lactate during anaerobic
metabolism?
FAD
NAD+
ADH
FADH2 - ANSWERS-NAD+
Fermentation regenerates NAD+ so that it can be used by glycolysis.
During aerobic metabolism, acetyl-CoA is produced from which molecule?
Glycerol
,Lactate
Pyruvate
Oxaloacetate - ANSWERS-Pyruvate
Acetyl-COA is produced from the breakdown of pyruvate after glycolysis.
Why would a marathon runner consume a large meal full of complex
carbohydrates the night before her run?
To replenish cellular stores of protein
To replenish cellular stores of ketone bodies
To replenish cellular stores of glycogen
To replenish cellular stores of DNA - ANSWERS-To replenish cellular stores of
glycogen
A large amount of carbohydrates can be stored as glycogen and used during
exercise.
, Why must red blood cells rely solely on glycolysis to make ATP?
Red blood cells lack mitochondria.
Red blood cells absorb too much oxygen.
Red blood cells lack cytoplasm.
Red blood cells cannot absorb oxygen. - ANSWERS-Red blood cells lack
mitochondria
Red blood cells lack mitochondria and must depend upon anaerobic metabolism
to produce ATP.
What are advanced glycation end products (AGEs)?
The end products of glycogenolysis
Glucose molecules linked to lipids or proteins without the need for enzymes
The end products of glycolysis
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