Medical Quiz

DNA Structure, Replication, Proteins Quiz

What are proteins used for in the body?

A. Energy storage

B. Structure, movements, and chemical reactions

C. DNA replication

D. Cell division

Select your answer:
     


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What is the role of helicase in DNA replication?

A. It forms the DNA backbone.

B. It breaks the hydrogen bonds between nitrogen bases.

C. It adds new bases to the DNA strand.

D. It splits the DNA into two cells.



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