DNA Structure and Replication Review

Multiple Choice

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

Multiple Choice

DNA will condense into...

• Centromeres
• Chromosomes
• Nuclei
• Spindle fibers

Multiple Choice

The enzyme that unwinds the double helix is called

• Helicase
• Primase
• Polymerase
• Replicase

Multiple Choice

The enzyme that comes first temporarily gets the single strand ready to add new nucleotides is called

• Helicase
• Primase
• Polymerase
• Nuclease

Multiple Choice

The enzyme that adds more nucleotides (monomers into a polymer) is called

• helicase
• primase
• polymerase
•  nuclease

Multiple Choice

When new nucleotides are added, Adenine pairs with

• Guanine
• Cytosine
• Adenine
• Thymine

Multiple Choice

When new nucleotides are added, Cytosine pairs with

• Guanine
• Cystosine
• Adenine
• Thymine

Multiple Choice

When new nucleotides are added, Thymine pairs with

• Guanine
• Cytosine
• Adenine
• Thymine