What is the role of a chaperone protein?
a) Assist in RNA and DNA folding.
b) Assist in membrane transport.
c) Assist in protein denaturation.
d) Assist in dehydration synthesis reactions.
e) Assist in protein folding or re-naturing.

• A. Assist in RNA and DNA folding.
• B. Assist in membrane transport.
• C. Assist in protein denaturation.
• D. Assist in dehydration synthesis reactions.
• E. Assist in protein folding or re-naturing.

Answer: (E)

Verified step by step guidance

1. Understand the function of chaperone proteins: Chaperone proteins are specialized proteins that assist other proteins in achieving their proper three-dimensional structure, which is crucial for their function.
2. Recognize the importance of protein folding: Proteins must fold into specific shapes to function correctly. Misfolded proteins can lead to diseases or loss of function.
3. Identify the role of chaperones in stress conditions: Chaperone proteins help refold proteins that have become denatured due to stress conditions like heat shock, thus maintaining cellular function.
4. Differentiate chaperone functions from other cellular processes: Chaperones do not assist in RNA/DNA folding, membrane transport, or dehydration synthesis reactions. Their primary role is related to protein folding and re-naturing.
5. Conclude with the correct role: Based on the understanding of chaperone functions, the correct role is to assist in protein folding or re-naturing, ensuring proteins achieve and maintain their functional conformations.