Pages in this set

Page 1

Preview of page 1
Microorganisms ­ Bacteria - Viruses -Fungi

BACTERIUM PRODUCES TOXINS

VIRUSES INFECT HOST CELL, REPRODUCE INSIDE THEN BREAK THE CELL AND INVADE

WHITE BLOOD CELLS INGEST PATHOGENS, PRODUCE ANTIBODIES AND PRODUCE ANTITOXINS

Ingesting pathogens

1) The bacteria goes towards the white blood cell
2) The white blood cell engulfs the bacteria…

Page 2

Preview of page 2
ANTIBIOTIC RESISTANCE

1) Taken too many antibiotics
2) Bacterium has developed antibiotic resistance
3) This is because of a mutation in the DNA (random spontaneous change which affects the
genes)
4) The bacteria reproduce
5) Scientists have to come up with a new antibiotic resistant using natural selection

CULTURING MICROORGANISMS…

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »See all resources »