The ____ Ion Is Required for Ribozymes to Become Active

question 20

Multiple Choice

The ____ ion is required for ribozymes to become active and begin self-replication.

• A) ferrous iron
• B) ferric iron
• C) zinc
• D) magnesium
• E) selenium

---

Definitions:

Blank Endorsement

A signature without any restrictions or instructions, allowing any holder of the document to execute a transaction.

Endorsed

The act of signing the back of a negotiable instrument, such as a check, thus transferring rights or title to another party.

Payee

The party in whose favor a check, draft, or note is made, entitled to receive the payment from the payer.

Drawer

The person or entity that writes a check or draft instructing the drawee to pay someone else.