DNA Structure

DNA tells the cell how to make...

• sugars

• proteins

• carbohydrates

• hormones

DNA is the...

• UPS

• recycling plant

• brain

• blueprints

Guanine always pairs with...

• Adenine

• Thymine

• Cytosine

• Guanine

The backbone of DNA is made up of...

• phosphates and deoxyribose

• phosphorous and ribose

• nitrogenous bases

• nucleotides

The nitrogenous bases match up in the middle.

• true

• false

How many strands does DNA have?

• 1

• 2

• 3

• 4

Adenine always pairs with...

• Adenine

• Thymine

• Cytosine

• Guanine

When DNA is bundled up, it is called...

• chromosomes

• proteins

• sugars

• ribosomes

Thymine always pairs with...

• Adenine

• Thymine

• Cytosine

• Guanine

DNA is a molecule.

• true

• false