AJH DNA Practice 1

Front

Guanine bonds with ______________.

Back

Cytosine

Front

What are the nucleotides made of?

Back

Sugar, Phosphate, nitrogen base

Front

This is a coiled structure of DNA and protein that forms in the cell nucleus.

Back

Chromosome

Front

Which of the following best describes a DNA molecule?

Back

Double helix

Front

Which shows the correct complementary base pairing for DNA?

Back

T-A, G-C

Front

What is the structure of DNA?

Back

A double helix made of two strands.

Front

What are the four nitrogen bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine

Front

What is the role of DNA?

Back

To store and transmit genetic information.

Front

What is a nucleotide composed of?

Back

A sugar, a phosphate group, and a nitrogenous base.

Front

What is the function of the phosphate group in DNA?

Back

To link the sugar molecules together, forming the backbone of the DNA strand.