While Examining the Crystal Structure of a Membrane Protein, You

question 26

Multiple Choice

While examining the crystal structure of a membrane protein, you find several phospholipid molecules bound to the protein. You know that these lipids …

• A) are thought to help stabilize many membrane proteins.
• B) may enhance the crystallization of the bound membrane proteins.
• C) interact specifically with the protein.
• D) can have head groups of various sizes and charges depending on the protein.
• E) All of the above.

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Definitions:

Aortic Regurgitation

A heart condition where the aortic valve does not close properly, causing blood to flow backward into the heart.

Cardiomyopathy

A disease of the heart muscle that makes it harder for the heart to pump blood to the rest of the body.

Heart Failure

A chronic, progressive condition in which the heart muscle is unable to pump enough blood through to meet the body's needs for blood and oxygen.

Dilated

Describes a condition of being widened or enlarged, often referring to the dilation of blood vessels or the pupils of the eyes.