Cellular Responses

By @Admin | June 21, 2018

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Cellular Responses

Part A

The cleavage of glycogen by glycogen phosphorylase releases _____.

Correct

Glycogen is a polysaccharide composed of glucose monomers.

Part B

Epinephrine acts as a signal molecule that attaches to _____ proteins.

Correct

Epinephrine acts via G-protein-linked receptors.

Part C

Which of these is a receptor for calcium ions?

Correct

Calmodulin is a calcium ion receptor.

Part D

Which of these is NOT correct?

Tyrosine-kinase receptors consist of two polypeptides that join when activated by a signal molecule.

Ion channels are found on both the plasma membrane and the endoplasmic reticulum.

Phospholipase C catalyzes the formation of IP3.

Kinases are enzymes that phosphorylate other molecules.

Cyclic AMP binds to calmodulin.

Correct

Calcium binds to calmodulin.

Part E

A toxin that inhibits the production of GTP would interfere with the function of a signal transduction pathway that is initiated by the binding of a signal molecule to _____ receptors.

Correct

GTP activates G proteins.

Masaneh Ceesay October 5, 2020

Thanks

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Cellular Responses

Cellular Responses

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Cellular Responses

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