global issues Flashcards

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0
Q

what is genetic engineering

A

manipulate the DNA of an organism to make it healthier or stronger

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1
Q

what is biotechnology

A

refers to technology used to manipulate as organism

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2
Q

what is whole organism cloning

A

coping an entire organism

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3
Q

what is a transgenic organism

A

have had DNA from one organism inserted into their own DNA In order to carry out a particular function

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4
Q

why are transgenic organisms made and egs

A

for agricultural purposes to increase the quality and quantity of the crops or livestock- such as chinook salmon- increase production in shorter cost

for health purposes- human insulin

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5
Q

advantages and disadvantages of human cloning

A

advantages- able to develop two identical people

disadvantages- unnatural and unethical

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6
Q

what is an extremophile

A

bacteria that can survive in extreme conditions

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7
Q

what is an egs of an extremophile

A

thermopile

  • thrives in high temperatures
  • found in various heated regions eg hot springs
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8
Q

why do we study extremophiles

A

in order to discover other planets where life may not be as hospitable as earth

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9
Q

what is the habitable zone

A

region in space where conditions are best for life

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10
Q

what planets are located in the habitable zone

A

earth

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11
Q

what is the gliese 581 system

A

solar systems that is believed to have life

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12
Q

why might mars have life

A

it is thought to be hospitable in the passed

rovers have documented dried water features

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13
Q

why might Europa have life

A

it is covered in ice although some ocean has been created due to the melting ice

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14
Q

what does the Mars rover do

A

takes dirt samples, photographs, does chemical testing, drills holes

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15
Q

what is quenching

A

method which hardens steels

16
Q

what is smelting

A

putting metals in a furnace

17
Q

what is an ore

A

naturally occurring solid material

18
Q

name an important ore in Australia

A

iron ore

19
Q

what are some metal properties

A

malleable
conduct heat and electricity
strong

20
Q

what are some uses of metals

A

ornamental
weaponry
cooking utensils
railways

21
Q

what is 1 micrometer

A

1000 nanometers

22
Q

how many micrometers in 1 mm

A

1000

23
Q

what are some applications of nanotechnology

A

stain repellent fabrics, sunscreen, scratch resistant surfaces, windscreen coating

24
Q

what is superconductivity

A

when substance have no electrical resistance when they are cooled

25
Q

what is artificial intelligence

A

computer science focusing on machines that can engage on behaviors that humans consider to be intelligent

26
Q

what are some issues relating to AI

A

control humans
used for warfare
increase in life span or population
very powerful

27
Q

what are the benefits or crude oil

A

use in almost all everyday objects

28
Q

what are some materials produced form crude oil

A
plastic 
gas
tar
glass
batteries 
creams
29
Q

what are the problems with crude oil

A

it’s not renewable- running out

adds to the greenhouse effect

30
Q

what is a biofuel

A

fuel derived from living matter