DNA Structure & Replication 22.23

Front

What does DNA stand for?

Back

Deoxyribonucleic acid.

Front

What type of bond holds the sugar phosphate backbone of DNA together?

Back

Covalent bonds.

Front

What type of bonds hold the two strands of DNA together?

Back

Hydrogen bonds.

Front

What does each DNA molecule consist of after replication?

Back

One original strand and one new strand.

Front

Which two molecules form the backbone of a DNA molecule?

Back

Deoxyribose sugar and phosphate.

Front

What is the shape of the DNA molecule?

Back

Double helix.

Front

What is the role of DNA polymerase in DNA replication?

Back

It synthesizes new DNA strands by adding nucleotides.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What base pairs with Adenine in DNA?

Back

Thymine.