Biotechnology Flashcards by Sam Richardson | Brainscape

Q

Disadvantages of GM trees

A

Long term side effects?

Escape of genes into natural ecosystems

Tolerance to trait by disease

Demand for water

Reduced nutrient recycling

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Q

Advantages of GM trees

A

Taller/longer sections

Fewer faults/less waste

Increased resistance/less treatment/increased yield

Faster/more sustainable

Flexible/shape easier

Compression/strength

Colours/no added processes

Reduced lignin/no chemical processing

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Q

Plasticisers

A

Improve flow

Reduce softening temperature

Less brittle/shock absorbent

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Q

Stabilisers

A

Resistant to UV

Reduces degradation

Heat resistant

Increased lifespan

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Q

Fillers

A

Bulks

Cheaper

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Q

Recyclable materials

A

Reduce emissions

Reduces landfill

Reduce demand of finite sources

Less energy usage

Affect on wildlife reduced

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Q

Advantages of lamination

A

Strength to weight good

Size of beams not limited to size of timber

Easier to curve

Natural faults removed

One former needed

Less prone to warping/splitting/twisting

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Q

Advantages of biopol

A

Biodegradable/landfill

No finite sources/extends supply

Sustainable

Reduce emissions/reduce global warming

Organic base/not harmful

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Q

Microorganisms to aid disposal

A

Break down polymer

Faster degradation

Industrial composting systems

Reduced oxygen speeds process

Heat speeds process

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