KC DNA Replication

What are the units that form and DNA and RNA molecule?

• Amino Acids

• Monosaccharides

• Nitrogen bases

• Nucleotides

What is the shape of DNA?

• Complimentary helix

• triple helix

• double helix

• single helix

What 2 molecules for the sides (backbone of the DNA ladder)

• deoxyribose sugar and adenine

• deoxyribose sugar and a hydrogen bond

• deoxyribose sugar and nitrogenous bases

• deoxyribose sugar and phosphate

When during the cell cycle is a cell's DNA replicated?

• S phase (Interphase)

• G1 phase (interphase)

• M phase (mitosis)

• G2 phase (interphase)

How does RNA differ from DNA?

• RNA contains uracil and deoxyribose.

• RNA contains uracil and ribose.

• RNA contains ribose and thymine.

• RNA contains adenine and ribose.

The following picture must be _____________.

• DNA because it is double stranded.

• DNA because it is single stranded.

• RNA because it is double stranded.

• RNA because it is single stranded.

Why is DNA important?

• It is very small and very complicated.

• It serves as the blueprint for traits of all living things.

• It is everything.

• We eat it every day for energy.

Which base pair bonds with adenine in a DNA molecule?

• guanine

• uracil

• cytosine

• thymine

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

• ATG TGA CAG

• GTA AGT GAC

• TAC ACT GTC

• CAT TCA CTG

Which enzyme unzips the DNA to prepare for replication?

• helicase

• polymerase

• replicase

• synthase