Respiratory Distress Syndrome Is Caused by a Failure in the Biosynthetic

question 38

Multiple Choice

Respiratory distress syndrome is caused by a failure in the biosynthetic pathway of

• A) sphingosine.
• B) gangliosides.
• C) dipalmitoyl phosphatidyl choline.
• D) cholesterol.
• E) bile salts.

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Definitions:

Enantiomers

Molecules that are mirror images of each other but cannot be superimposed upon one another, similar to left and right hands.

Polarimeter Tube

A component of a polarimeter used to measure the rotation of polarized light as it passes through an optically active substance.

Polarized Light

Light waves in which the vibrations occur in a single plane.

Racemic Mixture

A mixture containing equal amounts of left- and right-handed enantiomers of a chiral molecule, showing no optical activity as a whole.