extra Flashcards
what is biotechnology?
is a technology that involves the use of living organisms that are used in the industry to make useful products
give 2 facts on what an enzyme is
enzymes are made of protein
are unchanged by a reaction
what does catalase break down and what does it break down into
it breaks down hydrogen peroxide into water and oxygen
what is HPCOW?
when catalase breaks down hydrogen peroxide into water and oxygen
where does the chemical reaction occur in an enzyme?
the active site
what happens to enzymes at low temperatures
they are not very active
what happens when the temperature increases for enzymes
enzyme activity increases
what happens when the temperature becomes too high for enzymes
and what is it called?
the enzyme activity decreases
this is denatured
what does biological washing detergent contain?
enzymes
what do enzymes in biological washing liquids do?
breaks down stains so they are more easily removed from clothes in the wash
what temperature do biological washing washing liquids work best at?
and what Is an advantage of this?
40*c or below
this means money is saved on fuel as the water doesn’t have to be heated up so much
and lower temperatures are kinder to clothes as high temperatures can damage delicate fabrics
what is a con of bio washing liquids?
and what is a con of non bio washing liquids?
The enzymes in it can cause allergic reactions like skin rashes
non bio powders have no enzymes so they are less effective at removing stains
what are the 3 properties of microorganisms that make them useful in industry
they grow rapidly
they have simple nutrient requirements
they can produce a wide range of products
which 2 microorganisms are commonly used in the food industry?
yeast
Bacteria
what is cheese made with?
Rennet, milk and cheese making bacteria
