Chapter 3: Nucleic Acids

Question 1

stores hereditary information responsible for inherited traits in all eukaryotes and prokaryotes and in a large group of viruses

Answer 1

DNA

Question 2

hereditary molecule of another large group of viruses

Answer 2

RNA

Question 3

the monomer of nucleic acids, consists of three parts linked together by covalent bonds

Answer 3

nucleotide

Question 4

formed from rings of carbon and nitrogen atoms

Answer 4

nitrogen base

Question 5

nitrogenous bases with one caron-nitrogen ring Uracil(U), Thymine (T), Cytosine (C)

Answer 5

pyrimidines

Question 6

Nitrogenous bases with two carbon-nitrogen rings Adenine (A) and guanin (G)

Answer 6

purines

Question 7

in DNA replication, one nucleotide chain is used as a _____ for the assembly of a complementary chain according to the A-T and G-C base pairing rules

Answer 7

template

Question 8

exist mainly as single polynucleotide chains

can fold back on themselves to form double helical regions

Answer 8

RNA molecules