Biotechnology Flashcards

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1
Q

What is biotechnology?

A

The collection of technologies that are applied to living organisms or substances derived from living organisms in order to meet a need or want

Manipulates the living organism to meet a specific need

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2
Q

Traditional biotechnology

A

Been around since early human history. They include agriculture, breeding and food

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3
Q

Selective breeding

A

The technique of increasing the presence of desired traits within a population over many generations

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4
Q

What is an enzyme

A

Protein molecules in cells which work as catalysts. Enzymes speed up chemical reactions in the body

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5
Q

Modern biotechnology

A

Last 300 years

Includes medicine, industrial production, the environment …

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6
Q

Genetic transformation

A

A change in the chemical make up of the organism to adapt to a specific need or want created by humans

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7
Q

Gmo

A

Gmo- genetically modified organism
A living organism that has had its DNA modified through genetic transformation to provide it with traits it would not otherwise posses

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8
Q

Genetically modified plants

A
  • resistance to herbicide
  • resistance to insects
  • improved quality of oils
  • increase certain nutritional substances
  • reduction of allergic effect
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9
Q

Genetically modified animal

A
  • increase in growth rate (salmon)
  • less harmful manure (pigs)
  • produce lactose free milk (cow)
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10
Q

Gmo benefits

A
  • can produce desired results after only one generation.
  • Can transfer a useful gene from one species to another.
  • Could establish a gene bank.
  • Can improve harvests due to the development of GMO’s that are resistance to herbicides and insects.
  • Can produce more nutritional foods.
  • can produce less allergenic foods
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11
Q

Concerns

A
  • 251
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12
Q

What is pasteurization ?

A

A process whereby food is heated for a period of time in order to destroy harmful microorganisms

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13
Q

Why do we use pasteurization

A

To prevent the proliferation of harmful microorganisms in food

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14
Q

3 main reason for pasted

A
  • provide healthier food
  • prolong the shelf life of foods
  • preserve the nutritional properties of food
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15
Q

What is a concerne about pasteurization

A

Can destroy elements in food, such as good bacteria and vitamins

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16
Q

Benefits of pasteurization

A
  • reduces risk of Contamination

- reduces infants mortality rates