How do prosthetic groups differ from cosubstrates in coenzymes?

Prosthetic groups are loosely bound, while cosubstrates are tightly bound and non-recyclable.

Both prosthetic groups and cosubstrates are tightly bound and non-recyclable.

Both prosthetic groups and cosubstrates are loosely bound and recyclable.

Prosthetic groups are tightly bound, while cosubstrates are loosely bound and recyclable.