DNA Structure

Front

What are the three components of a nucleotide?

Back

sugar, phosphate, nitrogen base

Front

If one strand of a DNA molecule has the following order of bases, what will be the correct order of bases on the complementary (matching) strand? AATTGGCC

Back

TTAACCGG

Front

Which of the following best describes a DNA molecule?

Back

double helix

Front

In DNA, what base always pairs with A?

Back

T

Front

What is DNA made up of?

Back

nucleotides

Front

What is the shape of a DNA molecule?

Back

double helix

Front

What are the four nitrogenous bases in DNA?

Back

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

Front

What is the function of DNA?

Back

To store and transmit genetic information.

Front

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

Back

Hydrogen bonds between complementary bases.

Front

What is the role of the sugar in a nucleotide?

Back

It forms the backbone of the DNA structure.