DNA Structure

Front

Cytosine always pairs with

Back

Guanine

Front

Guanine bonds with _____________.

Back

Cytosine

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

Name this structure: double helix, nucleotide, twisted ladder, hydrogen bond.

Back

nucleotide

Front

Which of the following best describes a DNA molecule?

Back

double helix

Front

What is the shape of a DNA molecule?

Back

double helix

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

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

Back

Hydrogen bonds

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

What is the role of the sugar in a nucleotide?

Back

It forms the backbone of the DNA structure.