DNA Structure and Replication

Front

Guanine bonds with ______________.

Back

Cytosine

Front

Why does DNA replicate?

Back

To create another copy for the new cell.

Front

Which of the following units are repeatedly joined together to form a strand of DNA?

Back

Nucleotides.

Front

What are the 4 nitrogen bases?

Back

Adenine, Thymine, Cytosine, and Guanine.

Front

Nitrogenous bases are joined by which type of bond?

Back

Hydrogen bonds.

Front

What is the structure of DNA?

Back

A double helix formed by two strands of nucleotides.

Front

What are nucleotides made of?

Back

A phosphate group, a sugar, and a nitrogenous base.

Front

What is the role of DNA polymerase in replication?

Back

It synthesizes new DNA strands by adding nucleotides.

Front

What is the significance of the complementary base pairing in DNA?

Back

It ensures accurate replication and transcription.

Front

What is the difference between DNA and RNA?

Back

DNA is double-stranded and contains thymine; RNA is single-stranded and contains uracil.