One of the major categories of receptors in the plasma membrane reacts by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?

A) chemically-gated ion channels
B) G protein-linked receptors
C) cytoplasmic receptors
D) protein kinase receptors

Protein kinases are enzymes that have the ability to modulate other enzymes (or some other proteins) by adding the phosphate group. This is known as phosphorilation process. As a result of structural change, protein can change its activity (phosphorilation usually increase the activity).

Such receptors are involved in a many signaling cascades.

One of the major categories of receptors in the plasma membrane reacts by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this? A) chemically-gated ion channels B) G protein-linked receptors C) cytoplasmic receptors D) protein kinase receptors

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One of the major categories of receptors in the plasma membrane reacts by forming dimers, adding phosphate groups, and then activating relay proteins. Which type does this?

A) chemically-gated ion channels
B) G protein-linked receptors
C) cytoplasmic receptors
D) protein kinase receptors