Unit 5: Cell Cycle, DNA Replication, and Mitosis

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

Tags

NGSS.HS-LS1-1

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

Which enzyme is responsible for adding nucleotides?

• Topoisomerase
• DNA Polymerase
• Ligase
• Primase

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

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

Tags

NGSS.HS-LS3-2

Which organelle is DNA usually found in?

• cell membrane
• vacuole
• chloroplast
• nucleus

Nitrogenous bases are joined by which type of bond?

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

Tags

NGSS.HS-LS1-1

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

• G1
• S
• G2
• M

The enzyme that unzips the DNA to prepare for replication

• helicase
• replicase
• polymerase
• synthase

DNA replication results in two DNA molecules,

• each one with two original strands
• each one with two new strands
• each one with one new strand and one original strand
• one with two new strands and the other with two original strands