1.The open area of DNA where replication or transcription can take place is called A. replication Bubble B. replication form c. replication strand d. replication origin 2. Once the two strands of DNA are separated, what prevents them from assuming their double- helical shape? A. Other proteins hold the strands apart B. They are too far away from each other C. Each strand has opposing charges, which keep them repelled D. All of the above
3.How does DNA polymerase move along each strand of DNA? A. Both move towards the replication fork B. Both move away from the replication fork C. One moves towards from the replication fork and the other moves away from it D. There is only one DNA polymerase on the DNA at a time
4.How can each copy of DNA at the end of replication be compared? A. Each copy is identical to each other B. Each copy is different from each other C. They are 90% similar D. They are 50% similar
5.In the event of a mismatched nucleotide , which molecule is able to backtrack , "proofread ," and correct the nucleotide sequence? A. DNA Proofreadase B. DNA Polymerase C. DNA Helicase D. DNA Primase

1) Transcription Bubble.

2) Replication Forks

3)

Explanation:

1) The region of opened- up DNA is called a Transcription Bubble. In transcription, a region of DNA opens up. One strand, the template strand, serves as a template for synthesis of a complentary RNA transcript.

2) The Replication Forks hold the 2 separated strands of DNA apart, preventing then from assuming their double helix shape... in order  to replicate all your DNA its faster to replicate DNA if your doing it in many different areas at the same.

3)Since DNA polymerase requires a free 3` OH group  for initiation of synthesis, it can synthesize in only one direction by extending the 3` end of the preexisting nucleotide chain. Hence, DNA polymerase moves along the template strand in a 3`-5` direction, and the daughter strand is formed in a 5`-3` direction.

I don't know 4 and 5

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this is more of a statement than a question. is there answers to go along with this, or is it opinion based?