_____ Moves Outward from the Origin of Replication and Breaks

question 153

Multiple Choice

_____ moves outward from the origin of replication and breaks hydrogen bonds between DNA nucleotides.

• A)RNA primase
• B)Helicase
• C)Topoisomerase II
• D)DNA polymerase

---

Definitions:

Protobionts

Assemblages of organic polymers that spontaneously form under certain conditions. Protobionts may have been involved in chemical evolution.

Abiotically Produced

Referring to substances or processes occurring without the involvement of biological organisms, typically through physical or chemical phenomena.

Ribozymes

RNA molecules capable of catalyzing specific biochemical reactions, similar to protein enzymes.

Late Pliocene

A geological time period that occurred about 3.6 to 2.58 million years ago, just before the Pleistocene, and is characterized by significant climatic changes that led to the current ice age.