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Gluconeogenesis and Alternative Brain Energy Sources Quiz

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Gluconeogenesis and Alternative Brain Energy Sources Quiz

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Questions and Answers

Which organ(s) rely solely on glucose as an energy source?

Heart

Liver

Muscles

Brain, testes, erythrocytes, and kidney medulla (correct)

What is gluconeogenesis?

The conversion of glucose into glycogen

The synthesis of glucose from other organic compounds (correct)

The storage of glucose in the liver and muscles

The breakdown of glucose into other organic compounds

What is the alternative energy source for the brain during starvation?

Fatty acids

Glucose

Proteins

Ketone bodies (correct)

Which enzymes are required for gluconeogenesis?

Both mitochondrial and cytosolic enzymes Signup and view all the answers

What are some of the organic compounds that can be used for gluconeogenesis?

Lactate and oxaloacetate Signup and view all the answers

What is the function of gluconeogenesis?

To synthesize glucose from other organic compounds Signup and view all the answers

Which organs can use ketone bodies as an energy source during starvation?

Brain only Signup and view all the answers

What is the role of glycogen degradation in maintaining blood glucose levels?

To store glucose in the liver and muscles Signup and view all the answers

What happens to blood glucose levels during gluconeogenesis?

They remain constant Signup and view all the answers

Which organs require glucose as their sole energy source?

Brain, testes, erythrocytes, and kidney medulla Signup and view all the answers