3.6 Prokaryotic cells and viruses

Question 1

Compare nd contrast the strutcure of eukaryotic and prokaryotic

Answer 1

Eukaryotic has membrane bound organelles like mitochondria and endoplasmic reticulum prokaryote doesnt
Euk has nucleaus Prok doesnt
The DNA in Euk is long and linear DNa in Prok is short and circular
Euk has larger ribosomes(80s) than Prok(70s)
Cell wall only in plants algae and fungi for Prok they all hace cell walls
Plasmids and never present in euk but are present in prok
Euk are larger than Prok

Question 2

Describe the general structure of a virus particle

Answer 2

1. nuceluic acids surround by a capsid
2. attatchment proteins allow attatchment to specifc host cells
   3.no cytoplasm ribosomes and cell wall
   4.some also surrounded bu a lipid envelope