DNA Structure and Replication

Front

What does DNA stand for?

Back

Deoxyribose Nucleic Acid

Front

What is the shape of DNA?

Back

Double helix (twisted ladder)

Front

What is DNA made up of?

Back

Nucleotides

Front

What are the components of a nucleotide?

Back

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

Front

What are the four nitrogenous bases in DNA?

Back

Adenine (A), Thymine (T), Cytosine (C), Guanine (G).

Front

What is the complementary base pairing rule in DNA?

Back

A pairs with T, and C pairs with G.

Front

What is the process of DNA replication?

Back

The process by which DNA makes a copy of itself before cell division.

Front

What enzyme is responsible for unwinding the DNA double helix during replication?

Back

Helicase.

Front

What is the role of DNA polymerase in DNA replication?

Back

It adds nucleotides to the growing DNA strand and proofreads the new DNA.

Front

What is the significance of the 5' and 3' ends of a DNA strand?

Back

They indicate the directionality of the DNA strand, which is important for replication.