DNA Structure

Front

What base always pairs with A in DNA?

Back

T

Front

What is the shape of DNA?

Back

double helix (twisted ladder)

Front

What base always pairs with C in DNA?

Back

G

Front

What makes up the rungs (steps) of a DNA ladder?

Back

nitrogen bases

Front

What makes up the sides of a DNA ladder?

Back

sugars & phosphates

Front

What are the building blocks of DNA?

Back

Nucleotides

Front

What are the three components of a nucleotide?

Back

Sugar, phosphate group, nitrogen base

Front

What is the function of DNA?

Back

To store and transmit genetic information

Front

What are the four nitrogen bases in DNA?

Back

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

Front

What type of bond holds the nitrogen bases together in DNA?

Back

Hydrogen bonds