All About DNA

Which enzyme has the job of unzipping the double helix?

• Helicase
• Polymerase
• Ligase
• Primerase

This picture is illustrating the ____ nature of DNA.

• anti-parallel
• deoxyribosic
• helical
• radioactive

A DNA nucleotide contains all of the following, except...

• Deoxyribose
• Phosphate group
• Nitrogenous base
• Cholesterol

What is the shape of DNA?

• Double helix
• Triple helix
• Flat, bilayer
• Three-pronged rigid ladder

DNA replication turns one strand of DNA into two new strands of DNA. What percent of each new strand is the old strand?

• Half of each new DNA is the old DNA
• The old strand of DNA was digested, so none
• The new DNA is entirely made up of the old DNA
• About every sixth base comes from the old DNA

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Tags

NGSS.MS-LS1-2

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

What kind of information does DNA carry?

• genetic
• nuclear
• cell structure
• it doesn't carry any info

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1