Structure of DNA

Front

What is the main function of DNA?

Back

DNA carries genetic information that defines an organism's traits.

Front

Where is DNA usually found in a cell?

Back

DNA is usually found in the nucleus.

Front

What is larger: a strand of DNA or a gene?

Back

A strand of DNA is larger than a gene.

Front

What are the building blocks of DNA called?

Back

Nucleotides.

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate, and nitrogen base.

Front

Which nitrogen base pairs with adenine in DNA?

Back

Thymine.

Front

Which nitrogen base pairs with cytosine in DNA?

Back

Guanine.

Front

What is the shape of the DNA molecule?

Back

The DNA molecule has a double helix shape.

Front

What is the role of the sugar in a nucleotide?

Back

The sugar forms the backbone of the DNA structure.

Front

What is the role of the phosphate in a nucleotide?

Back

The phosphate connects the sugar of one nucleotide to the sugar of another, forming the DNA backbone.