Shared Flashcard Set

Details

S1 Unit 7 Microbiology
FC Qs
18
Biology
Not Applicable
04/25/2012

Additional Biology Flashcards

 


 

Cards

Term
Name the three types of microorganisms
Definition
viruses, bacteria and fungi
Term
What does the term ‘pathogenic’ mean?
Definition
‘disease causing’
Term
Name three useful products from microorganisms.
Definition
ANY THREE FROM - Bovril, Mushrooms, Flavouring in crisps,Biological washing powders, Quorn, Compost, Antibiotics, Beer, Marmite, Bread, Vaccines
Term
What three things do microorganisms need in order to grow?
Definition
food, water and a suitable temperature
Term
What provides food and water for microorganisms grown in the lab?
Definition
nutrient agar / agar jelly
Term
What do we use to keep the microorganisms at a suitable temperature in the lab?
Definition
an incubator
Term
What do we use vaccines for?
Definition
to stop people getting specific diseases
Term
What is in a vaccination?
Definition
a weak form of the disease
Term
Name 3 ways that disease can be spread.
Definition
coughing, sneezing, contact with objects covered with germs.
Term
How can the spread of disease be controlled?
Definition
by handwashing or covering the mouth while coughing/sneezing
Term
Name three diseases caused by microorganisms.
Definition
smallpox, athlete’s foot, measles
Term
How do microorganisms help with natural cycles?
Definition
they decompose different materials/ microbes can assist in the breakdown of natural materials such as paper, leaves and vegetable matter.
Term
How do you calculate the AVERAGE of 10 numbers?
Definition
add the numbers up and divide the total by 10
Term
How do you calculate a percentage?
Definition
part (you are interested in) / total (the part came from) X 100
Term
Name three ways the growth of microbes can be controlled.
Definition
filtration, boiling and chemical sterilisation.
Term
What useful product can microorganisms turn milk into?
Definition
yoghurt (and cheese)
Term
What type of microorganisms make yoghurt?
Definition
bacteria
Term
How do bacteria make yoghurt?
Definition
by converting lactose in milk to lactic acid.
Supporting users have an ad free experience!