DNA, RNA, and Protein Synthesis

the base that pairs with Thymine in DNA

• adenine
• guanine
• helicase
• nucleotide

nitrogen base that pairs with guanine

• adenine
• cytosine
• nucloetide
• deoxyribose

The shape of DNA.

• double helix
• nucleotide
• DNA polymerase
• single stranded

Which shows the correct complementary base pairing for DNA?

• C-A, T-G
• A-G, C-T
• C-G, U-A
• T-A, G-C

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

The building block of nucleic acids are nucleotides.  Nucleotides are composed of a sugar, a phosphate group, and a _________________ base.

• oxygen
• hydrogen
• nitrogen
• carbon

The backbone of a DNA molecule is made from a 5 carbon ______________ and a _______________ group.

• lipid, carbon

• sugar, phosphate

• nitrogen, oxygen

• nitrogen, sulfur

What are the four nitrogen bases?

• adenine, thymine, guanine, cytosine
• adenine, lysine, prolene, guanine
• arganine, cytosine, lysine, purine
• lysine, cytosine, lucine, guanine

The sugar in DNA is ?

• sucrose
• glucose
• deoxyribose
• fructose