DNA and RNA molecules

DNA and RNA molecules

Nucleic acid

• Two types of nucleic acid:

   i. Deoxyribonucleic acid (DNA)

   ii. Ribonucleic acid (RNA)

  
  

• 2.Basic composition (monomer) of nucleic acid is nucleotide

Nucleotide

• Structure of nucleotide:

   i. Phosphate group

   ii. Pentose sugar

   iii. Nitrogenous base / Organic base

Structure of DNA based on Watson and Crick Model (1953):

Ribonucleic acid (RNA)

Single stranded polynucleotide

RNA

3 types of RNA

Multiple Choice

What is the monomer of nucleic acid?

• Amino acid

• Nucleic acid

• Nucleotide

Multiple Choice

Which one is NOT the bases of DNA

• Adenine (A)

• Uracil (U)

• Guanine (G)

• Cytosine (C)

Poll

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