DNA Replication Practice

What will the matching sequence be on a strand that reads AAGCTAT?

• AACGATA

• TTCGTTA

• CCTGATA

• TTCGATA

Find the correct complimentary strand for ATC CCG ATC.

• ATC CCG ATC

• TAG GGC TAG

• TTT TTT TTT

• TAG GCC TAG

If a DNA sequence read ATTGCC what would the complimentary DNA strand read?

• GAATGG

• UAACGG

• TAACGG

The backbone of DNA is made of

• base pairs

• sugars and phosphates

• only sugars

• only phosphates

DNA is arranged into a ________- _________ shape.

• double-helix

• single-helix

• diamond

• circular

The enzyme that unzips the DNA to prepare for replication

• helicase

• replicase

• polymerase

• synthase

The process of DNA replication is called semi conservative because it results in

• none of these

• Two DNA molecules.  One original molecule and one with two new strands

• two exact copies with new strands

• two DNA molecules, each with 1 original strand and one new.

When does DNA Replication occur?

• Just before the cell divides

• Just after the cell divides

• The M phase

• The S phase

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

Adenine bonds with ______________.

• Guanine

• Thymine

• Cytosine

• Adenine