DNA Structure

Question 1

Polymer

Answer 1

materials made of long, repeating chains of molecules

Question 2

Deoxyribose sugar

Answer 2

five-carbon sugar molecule that helps form the phosphate backbone of DNA molecules

Question 3

Phosphate group

Answer 3

functional group characterized by a phosphorus atom bonded to four oxygen atoms

Question 4

Nitrogenous base

Answer 4

molecule that contains nitrogen and has the chemical properties of a base

Question 5

Adenine

Answer 5

one of the four nucleobases in the nucleic acid of DNA

Question 6

Thymine

Answer 6

one of the four nucleobases in the nucleic acid of DNA

Question 7

Cytosine

Answer 7

one of the four nucleobases in the nucleic acid of DNA

Question 8

Guanine

Answer 8

one of the four nucleobases in the nucleic acid of DNA

Question 9

Purine

Answer 9

heterocyclic aromatic organic compound that consists of two rings; can be endogenous or exogenous

Question 10

Pyrimidine

Answer 10

one of two classes of heterocyclic nitrogenous bases found in the nucleic acids DNA and RNA

Question 11

Hydrogen bonds

Answer 11

interaction involving a hydrogen atom located between a pair of other atoms having a high affinity for electrons