Which Statement Concerning Fatty Acid Synthesis Is TRUE

question 19

Multiple Choice

Which statement concerning fatty acid synthesis is TRUE?
(I) The process occurs in the cytosol.
(II) In eukaryotes,the process occurs on a single large protein.
(III) The growing acyl chain is carried on an acyl carrier protein instead of coenzyme A.
(IV) The process requires two NADPH per acetyl group (2 carbons) added.

• A)I,II
• B)II,III
• C)I,II,III,IV
• D)III,IV
• E)I,III,IV

---

Definitions:

Aldehydes

Organic compounds characterized by the functional group -CHO, where the carbon atom is double bonded to oxygen and single bonded to hydrogen.

Functional Group

A specific grouping of atoms within a molecule that has a characteristic chemical behavior and properties.

R-(C=O)H

A general formula representing aldehydes, organic compounds where the carbonyl group is bonded to a hydrogen atom.

Butanal

An aldehyde with the formula C4H8O, recognized by its sharp, sweet smell, commonly used in the flavoring and perfume industries.