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What is bioremediation?
Using microbes to break down hazardous/toxic substances
What is yeast?
Single celled fungus used in baking, brewing and wine making
What is biofuel?
Fuel produced from plants or animal waste
What is photosynthesis?
Production of sugar using light energy in plants
What is chlorophyll?
Green pigment used to capture light energy
What is a chloroplast?
Structure inside a plant cell that contains chlorophyll
What does limiting factor mean?
Factor in short supply that limits the rate of photosynthesis, eg, light, CO2
What is aerobic respiration?
Respiration in the presence of oxygen
What is anaerobic respiration?
Respiration without oxygen, also known as fermentation
What does lactic acid mean?
Produced in animal cells as a result of fermentation
What is respiration?
Release of energy from food
What is fermentation?
Breakdown of sugar into CO2 and alcohol
What is a micro-organism?
A very tiny organism that can only be seen with a microscope
What does unicellular mean?
Exists in a single cell
What does sterile mean?
Disinfect to keep unwanted things out of experiment On,y grow what is wanted
What is batch processing?
Yeast and materials are fed into the reaction vessel, heat brown and alcohol fermentation happens, yeast stops growing having used up all the materials, reaction vessel is empty, steam cleaned and ready for a new batch All ingredients are placed into a fermented at the start of the process
What does controversial mean?
People having different views/opinions as to what is morally acceptable