Name the 3 types of microbe.
Viruses Bacteria Fungi
What is a microbe?
A tiny living organism
Where can microbes be found?
Air Soil Water In and on humans
How do bacteria reproduce?
By binary fission
How do funghi reproduce (replicate)?
How do viruses reproduce (replicate)?
By invading cells and tricking them into replicating new copies of virus
How do bacteria reproduce (replicate)?
By binary fission.
Each bacteria is capable of splitting into 2
What are the 3 basic shapes of bacteria?
What does reprodcue or replicate mean?
To make new versions of something
Which is bigger and by what factor..
Bacteria or Viruses
Bacteria are about 100 times bigger than viruses
True or false
Viruses do not contain cells
and for this reason some people dont consider them to be living
True or False
Most bacteria found in the human body are either harmless or are in fact helpful
Only around 15% of bacteria are harmful but some can cause serious problems
What is a pathogen?
A microbe that causes disease
Common diseases caused by viruses
Common diseases caused by bacteria
Common diseases caused by funghi
True or False?
Viruses can survive without a living host organism
What are bodies first line of defence against microbes
How do vaccines work?
How can viruses be used in medicine
Give some common vaccines
What 3 conditions are necessary for bacterial growth?
- Food source
List some methods of preserving foods
What are some ways of preventing the spreading of microbes?
List some ways microbes are spread
How does antibiotic resistance occur?
What gas is produced when yeast acts on sugar (fermentation)?
Why does dough rise when put in the oven?
The CO2 expands when heated and the volume of the dough increases.