In G-Proteins, Binding of GTP Causes Which of the Following

question 10

Multiple Choice

In G-proteins, binding of GTP causes which of the following to occur?

• A) association of the Gβ and Gγ subunits with a receptor tyrosine kinase
• B) dissociation of Gα from the dimer formed by Gβ and Gγ
• C) phosphoylation of Gα using the GTP as the phosphorylating agent
• D) guanylation of Gβ which promotes dissociation and activation of Gα
• E) none of the above

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Definitions:

Arbor Vitae

The treelike structure of white matter in the cerebellum that serves to connect cerebellar cortex and nuclei with the cerebellar peduncles.

Lateral Hemisphere

Refers to either the left or right half of the cerebrum in the brain, responsible for controlling different functions and processes.

Pontine Nuclei

Clusters of neurons in the pons part of the brainstem that play a crucial role in motor control and sensory analysis.

Respiration

The biochemical process by which living organisms exchange gases with their environment, involving the intake of oxygen and release of carbon dioxide.