If Glucose Labeled with ¹⁴C at C-2 Were Metabolized in the Liver,the

question 44

Multiple Choice

If glucose labeled with ¹⁴C at C-2 were metabolized in the liver,the first radioactive pyruvate formed would be labeled in:

• A)all three carbons.
• B)both A and C.
• C)its carbonyl carbon.
• D)its carboxyl carbon.
• E)its methyl carbon.

---

Definitions:

Chemical Role

The chemical role refers to the function or position that a specific chemical species or group of species plays within a particular chemical process or reaction.

Brain Volume

The total space occupied by the brain, typically measured in cubic centimeters (cm³) or milliliters (mL), which can be indicative of various health conditions or cognitive capabilities.

Astrocyte

A type of supportive glial cell in the brain and spinal cord that helps maintain the barrier between blood and brain and provides nutrients to nervous tissue.

Lacunae

Small spaces or cavities within bone or cartilage tissue that house cells, such as osteocytes in bones.