DNA Structure Flashcard Review

Front

What nitrogen base pairs with Cytosine?

Back

Guanine

Front

What is the building block (monomer) of DNA called?

Back

Nucleotide

Front

Do all species have the same sequence of nitrogenous bases?

Back

False

Front

What is the backbone of the DNA structure composed of?

Back

Sugar and Phosphate

Front

What is true about the two sides of the DNA structure?

Back

The two sides are complementary and run in opposite directions.

Front

What are the four nitrogen bases found in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What type of bond holds the nitrogen bases together in DNA?

Back

Hydrogen bonds

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 to a growing chain.

Front

What is the difference between DNA and RNA?

Back

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