Question

Tell me whether glucose, glycogen, and pyruvate will be made as a product (enter "+"), reduced as a reactant (enter "-"), or unaltered in production or reduction (enter "0"). If both + and - are true, enter "+-" .

With Insulin

Glucose

Glycogen

Pyruvate -

With Glucagon

Glucose

Glycogen

Pyruvate

With Epinephrine

Glucose

Glycogen

Pyruvate

With Cortisol

Glucose

Glycogen

Pyruvate

Answer 1

Answer :)

With Insulin

Glucose -

Glycogen +

Pyruvate -

Insulin uses glucose to make glycogen while the pyruvate converts into acetylcoA or oxaloacetate.

With Glucagon

Glucose +

Glycogen -

Pyruvate –

The glucagon hormone utilizes glycogen to make glucose. It also utilizes pyruvate indirectly to make alanine.

With Epinephrine

Glucose +

Glycogen -

Pyruvate 0

The epinephrine in flight or fight situation, makes extra glucose from glycogen. However, here pyruvate does not change because it is inactive.

With Cortisol

Glucose+

Glycogen -

Pyruvate 0

Again, cortisol causes glycogenolysis and gluconeogenesis and hence increases glucose concentration. However, there is no pyruvate change occur.

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