DNA Structure and Function

Front

What is DNA?

Back

DNA stands for deoxyribonucleic acid, which is the molecule that carries the genetic instructions for life.

Front

What type of bonds hold nucleotides together in DNA?

Back

Nucleotides in DNA are held together by weak hydrogen bonds.

Front

What is the backbone of DNA made of?

Back

The backbone of DNA is made of deoxyribose sugar and phosphate groups.

Front

Which base does guanine bond with in DNA?

Back

Guanine bonds with cytosine in DNA.

Front

What are the basic building blocks of DNA?

Back

The basic building blocks of DNA are nucleotides.

Front

What are the four nitrogenous bases in DNA?

Back

The four nitrogenous bases in DNA are adenine, thymine, cytosine, and guanine.

Front

What is the shape of the DNA molecule?

Back

The DNA molecule has a double helix shape.

Front

What is the function of DNA?

Back

The function of DNA is to store and transmit genetic information.

Front

What is a nucleotide composed of?

Back

A nucleotide is composed of a phosphate group, a deoxyribose sugar, and a nitrogenous base.

Front

How do adenine and thymine bond in DNA?

Back

Adenine and thymine bond together through two hydrogen bonds.