How do prosthetic groups differ from cosubstrates in coenzymes?

• A. Prosthetic groups are loosely bound, while cosubstrates are tightly bound and non-recyclable.
• B. Both prosthetic groups and cosubstrates are tightly bound and non-recyclable.
• C. Both prosthetic groups and cosubstrates are loosely bound and recyclable.
• D. Prosthetic groups are tightly bound, while cosubstrates are loosely bound and recyclable.

Answer: (D)