An Activated G Protein Can Trigger

question 28

Multiple Choice

An activated G protein can trigger

• A)the activation of adenyl cyclase.
• B)the opening of calcium ion channels in the membrane.
• C)the release of calcium ions from intracellular stores.
• D)a fall in cAMP levels.
• E)All of the answers are correct.

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Definitions:

Temporomandibular Joint

A hinge joint that connects the lower jaw (mandible) to the temporal bone of the skull, facilitating mouth movement.

Sagittal Suture

The fibrous joint between the two parietal bones of the skull, running from the front to the back of the head.

Anterior Fontanel

A soft, membranous gap between the bones of an infant's skull, which allows for brain growth and ossifies as the child matures.

Occipital Bone

A skull bone located at the lower back of the skull, forming the main part of the back of the head and containing the foramen magnum.