Discuss with your teacher and find out how to distinguish between
Discuss with your teacher and find out how to distinguish between

(a) Plasmid DNA and Chromosomal DNA

(b) RNA and DNA

(c) Exonuclease and Endonuclease

A) Plasmid DNA 

◆Plasmid DNA    Chromosomal DNA

It is an extra chromosomal DNA molecule found in bacteria, capable of replicating and is independent of chromosomal DNA   

Chromosomal DNA

◆It forms the complete DNA of an entity found inside the chromosomes

(b) RNA and DNA

B) RNA   

◆Single-stranded molecule   

◆Cannot replicate by themselves

◆Consist of ribose sugar

◆Pyrimidines are uracil and adenine

◆It is a component of ribosomes

DNA 

◆Double-stranded molecule    ◆Have the potential to replicate

◆Consists of deoxyribose sugar

◆Pyrimidines are thymine and adenine

◆It is a component of chromosomes

C) Exonuclease   

◆It is a kind of restriction enzyme which removes the nucleotides from 5’ or 3’ terminals of the DNA molecule.

Endonuclease

◆It is a kind of restriction enzyme that snips within the DNA at particular sites to produce sticky ends.