BIology B Unit 6 Review

What are the parts of a nucleotide?

• sugar

• nucleotide

• nitrogenous base

• phosphate group

In DNA, Adenine always pairs with...

• thymine

• cytosine

• guanine

• adenine

Cytosine always pairs with...

• thymine

• cytosine

• guanine

• adenine

What is the shape of DNA?

• double helix

• single helix

• squiggle

• twisty step looking thing

Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG

• ATG TGA CAG
• TAC ACT GTC
• GTA AGT GAC
• CAT TCA CTG

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

Nitrogenous bases are joined by which type of bond?

• polar bonds
• ionic bonds
• covalent bonds
• hydrogen bonds

In what phase of the cell cycle does DNA replication take place?

• G1
• S
• G2
• M

Which enzyme is responsible for adding nucleotides ("The Builder")?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

If a person suffered from a disorder where their DNA fragments were unable to fill in the missing slots in between the fragments of the lagging strand, they would most likely have a disorder that affected which enzyme?

• DNA Helicase

• DNA Ligase

• DNA polyermase

• RNA Polymerase