DNA and DNA Replication

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

Which of the following units are repeatedly joined together to form a strand of DNA?

• amino acids
• nucleotides
• fatty acids
• polysaccharides

Which 2 molecules form the sides (backbone) of the DNA ladder?

• deoxyribose and adenine
• deoxyribose and a hydrogen bond
• deoxyribose and the nucleus
• deoxyribose and phosphate

Nucleotides are made up of a sugar, phosphate, and..?

• nitrogenous base
• nucleic acid
• cholesterol
• fatty acid

The backbone of a DNA molecule is made of which two components?

• phosphate molecules and ribose sugars
• deoxyphosphate molecules and ribose sugars
• phosphate molecules and deoxyribose sugars
• deoxyphosphate molecules and deoxyribose sugars

Watson and Crick were the first to suggest that DNA is _____

• a short molecule
• the shape of a double helix
• a protein molecule
• the genetic material

An enzyme that breaks the hydrogen bonds holding the base pairs together as it UNWINDS and UNZIPS the double helix, allowing new nucleotides to bind to the single strands by base pairing.

• ligase
• RNA polymerase
• DNA Helicase
• DNA polymerase

What sugar is in DNA?

• deoxyribose
• ribose
• oxyribose
• deoxyose

Replication is referred to as...

• conservative
• semi-conservative
• quasi-conservative
• mostly liberal

In DNA replication, the leading strand starts at the _____ end.

• 5'
• 3'