untitled

Which of the following best describes a DNA molecule?

• double helix

• contains ribosomes

What are the nucleotides made of?

• Sugar, Phosphate, nitrogen base

• Phosphate, chlorine, hydrogen

In DNA, Adenine bonds with ______________.

• Guanine

• Thymine

Guanine bonds with ______________.

• Adenine

• Thymine

• Cytosine

Name this structure

• double helix

• nucelotide

• hydrogen bond

Which organelle is DNA usually found in?

• cell membrane

• ribosome

• nucleus

Why is DNA important?

• it is very small and very complicated

• because we eat it every day for energy

• it serves as the blueprint for traits of all living things

Cytosine always pairs with

• Adenine
• Thymine
• Uracil
• Guanine

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Guanine

Thymine always pairs with

• Adenine

• Thymine

• Uracil

• Guanine