37. Choose the most correct answer and describe why this best describes how cAMP

Question

37.

Choose the most correct answer and describe why this best describes how cAMP regulates protein kinase A?

Cyclic AMP binds to the regulatory subunits of PKA, causing a conformational change that releases the catalytic subunits to carry out phosphorylation.

Cyclic AMP increases the transcription of genes for PKA.

Cyclic AMP binds to the catalytic subunits, causing a conformational change that leads to increased activity.

Cyclic AMP phosphorylates PKA, causing a conformational change that leads to increased activity.

Cyclic AMP binds to the regulatory subunits of PKA, promoting exchange of bound GDP for GTP that releases the catalytic subunits to carry out phosphorylation.

37.

Choose the most correct answer and describe why this best describes how cAMP regulates protein kinase A?

Cyclic AMP binds to the regulatory subunits of PKA, causing a conformational change that releases the catalytic subunits to carry out phosphorylation.

Cyclic AMP increases the transcription of genes for PKA.

Cyclic AMP binds to the catalytic subunits, causing a conformational change that leads to increased activity.

Cyclic AMP phosphorylates PKA, causing a conformational change that leads to increased activity.

Cyclic AMP binds to the regulatory subunits of PKA, promoting exchange of bound GDP for GTP that releases the catalytic subunits to carry out phosphorylation.

Explanation / Answer

Cyclic AMP binds to the regulatory subunits of PKA, causing a conformational change that releases the catalytic subunits to carry out phosphorylation.

Steps involved in PKA activation are;

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