Which of the Following Is True of Integral Membrane Proteins

question 17

Multiple Choice

Which of the following is true of integral membrane proteins?

• A) They lack tertiary structure.
• B) They are loosely bound to the surface of the bilayer.
• C) They are usually transmembrane proteins.
• D) They are not mobile within the bilayer.
• E) They serve only a structural role in membranes.

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Definitions:

Thecal Sac

The protective membrane surrounding the spinal cord and nerve roots.

Spinal Cord

The primary conduit for communication between the brain and the peripheral nervous system.

Dorsal Root Ganglion

Collection of sensory neuron cell bodies within the dorsal root of a spinal nerve; also called spinal ganglion.

Multipolar Motor Neurons

Neurons that have one axon and multiple dendrites, allowing them to transmit signals from the central nervous system to muscles, stimulating movement.