Moleculargenetics1

the base that pairs with Thymine in DNA

• adenine
• guanine
• helicase
• nucleotide

nitrogen base that pairs with guanine

• adenine
• cytosine
• nucloetide
• deoxyribose

the process of making a copy of DNA

• transcription
• double helix
• DNA replication
• replication fork

The shape of DNA.

• double helix
• nucleotide
• DNA polymerase
• single stranded

If we think of DNA as a ladder, which parts are the steps of the ladder?

• the nitrogenous base pairs
• the phosphate-sugar backbone
• the genes
• the phospholipid bilayer

If we think of DNA as a ladder, which parts are the sides of the ladder?

• the nitrogenous base pairs
• the phosphate-sugar backbone
• the genes
• the phospholipid bilayer

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

The two strands of nitrogenous bases in DNA are joined by which type of bond?

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

If a DNA molecule consists of 29% Guanine, how much cytosine will it contain?

• 29%
• 58%
• 21%
• I have no idea.

Which enzyme has the job of unzipping the double helix?

• Helicase
• Polymerase
• Ligase
• Primerase