4.7.5 food production (SINGLE) Flashcards
What is food security?
Having enough food to feed a population
Why might some countries suffer from food scarcity?
Wars, pests and pathogens that affect crops, changes in environmental conditions.
What are fishing quotas?
Limits on the number and size of fish that can be caught in certain areas.
How does regulating mesh size help the situation?
Younger fish can slip through the net and reach breeding age.
How can farming be made to be more efficient?
Restricting movement of the animal, controlling the environmental temperature.
How can fish be factory farmed?
By keeping them in a cage in the sea to restrict movement.
What problems might arise from keeping animals so close together?
Disease will spread more easily.
What is mycoprotein?
A high protein meat substitute
What type of organism is mycoprotein made from?
A Fungus called Fusarium
What kind of conditions Fusarium grown in?
Aerobic
What is genetic engineering?
The transfer of a useful gene from one organism to another.
What is a plasmid?
A piece of circular DNA found in a bacteria.
How is the plasmid opened?
Using restriction enzyme.
What enzyme joins the insulin gene to the plasmid?
A ligase enzyme.
What is insulin used to treat?
Diabetes
