DNA Structure

Front

Why is DNA important?

Back

It serves as the blueprint for traits of all living things.

Front

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

Back

Nucleotides.

Front

What does DNA stand for?

Back

Deoxyribonucleic acid.

Front

In which organelle is DNA usually found?

Back

Nucleus.

Front

When replication is complete, how many identical DNA modules are there?

Back

Two.

Front

What are the building blocks of DNA?

Back

Nucleotides.

Front

What are the three components of a nucleotide?

Back

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

Front

Name the four nitrogenous bases in DNA.

Back

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

Front

What is the shape of the DNA molecule?

Back

Double helix.

Front

What type of bond holds the two strands of DNA together?

Back

Hydrogen bonds.