cells (bacteria virus)

Question 1

Binary fission

Answer 1

-large loop replicates once and plasmids replicates
-DNA moves to opposite ends of cell
-cell grows bigger and cytoplasm divides
-new cell wall synthesised
-cytokinesis

Question 2

Virus structure

Answer 2

-acellular cannot reproduce on their own
-contains nucleic acid and enzymes surrounded by protein coat called capsid
-enclosed in a viral envelope with attachment proteins sticking out
-no cytoplasm cell membrane or ribosome

Question 3

viral replication

Answer 3

-virus gets inside host cell by binding receptors to attachment proteins
-can only infect one cell type (complementary)
-Virus releases capsid into cell
-single strand nucleic acid converted into double strand dna
-integrated into host cell’s genome
-host cell ribosome translate viral dna into viral protein
-assembled into viral particles