DNA Structure Review

Front

In DNA, adenine always pairs with_________________.

Back

Thymine

Front

What are the four bases found in DNA?

Back

adenine, thymine, cytosine, and guanine

Front

Why do cells replicate their DNA?

Back

To make more DNA for new cells

Front

The enzyme that unzips the DNA to prepare for replication is called?

Back

helicase

Front

Select the correct complementary strand for ATT CGA CCG.

Back

TAA GCT GGC

Front

What is the structure of DNA?

Back

A double helix composed of two strands of nucleotides.

Front

What are nucleotides made of?

Back

A phosphate group, a sugar (deoxyribose), and a nitrogenous base.

Front

What is the role of DNA polymerase?

Back

To synthesize new DNA strands by adding nucleotides.

Front

What is the function of thymine in DNA?

Back

Thymine pairs with adenine to help form the structure of DNA.

Front

What is the significance of complementary base pairing?

Back

It ensures accurate DNA replication and transcription.