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

How many pairs of chromosomes does the human body contain?

Back

23 pairs of chromosomes.

Front

In which organelle is DNA usually found?

Back

Nucleus.

Front

What does Guanine bond with?

Back

Cytosine.

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 is the shape of the DNA molecule?

Back

Double helix.

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What is a gene?

Back

A segment of DNA that codes for a protein.