1.5 Nucleic Acids

Question 1

DNA

Answer 1

Deoxyribonucleic Acid

Stores hereditary information

Responsible for inherited traits

Question 2

RNA

Answer 2

Ribonucleic Acid

There are several different
forms of RNA involved in
protein synthesis

Hereditary molecule of
some viruses

Question 3

Nucleotides make…

(monomer)

Answer 3

Nucleic acids

(Polymer)

Question 4

Nucleotides consists of 3 parts linked together by covalent bonds

Answer 4

1. Nitrogenous Base
2. 5-ring (Pentose) Sugar
3. Phosphate Group

Question 5

2 types of Nitrogenous Bases

Answer 5

1. Purines (2 rings)
   * Adenine (A) and Guanine (G)
2. Pyrimidines (1 ring)
   * Thymine (T), Cytosine (C) and Uracil (U)

Question 6

DNA and RNA are joined
together by the

(Nucleic Acids)

Answer 6

phosphate and the sugar through phosphodiester bonds

Question 7

DNA molecules are double
stranded, in which the two
strands run

Answer 7

antiparallel to each other

Question 8

Nitrogenous bases are held
together by

Answer 8

hydrogen bonds

Question 9

Adenosine triphosphate
(ATP) and Guanosine
triphosphate (GTP) are
nucleotides that

• transport chemical ENERGY
  from one reaction system
  to another
• regulate and adjust cellular
  activity