Which of the Following Statements About Protein Folding and Posttranslational

question 14

Multiple Choice

Which of the following statements about protein folding and posttranslational modifications of proteins is CORRECT?

• A) All nascent polypeptide chains have the intrinsic ability to fold into the active conformation based on the primary structure.
• B) Only eukaryotic proteins undergo alterations following translation.
• C) Amino acids within a protein may be modified by molecular chaperones.
• D) Signal sequence of a protein helps direct a protein to a specific location within the cell.
• E) Attachment of a protein called ubiquitin directs proteins to enter into the nucleus.

---

Definitions:

Umami

One of the five basic tastes, described as savory or meaty, and associated with foods containing glutamate.

Meaty Taste

Describes a flavor profile reminiscent of meat, often rich and savory, referred to as umami in taste descriptions.

Taste Sensation

The perception derived from the chemical senses as food or other substances interact with taste receptors in the mouth.

Olfaction

The sense of smell, an important chemical sensing system in humans and animals for detecting environmental odors.