Sources of the Single Carbons Carried by Tetrahydrofolic Acid and Used

question 24

Multiple Choice

Sources of the single carbons carried by tetrahydrofolic acid and used in purine biosynthesis include ________ and _________ .

• A) alanine, glycine
• B) serine, alanine
• C) formate, serine
• D) acetate, glycine
• E) formate, acetate

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Definitions:

Buffy Coat

The fraction of an anticoagulated blood sample that contains most of the white blood cells and platelets following density gradient centrifugation.

Centrifuged

The process of subjecting various materials or solutions to the force of a centrifuge to separate components based on density.

Reference Laboratory

A laboratory owned and operated by an organization outside the physician’s practice.

Morphology

The examination of the shape and configuration of living creatures and their unique structural characteristics.