Biotechnology and Genetic Modification

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biology

Âge recommandé: 16 ans

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Richard Limb

United Kingdom

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Biotechnology and Genetic ModificationVersion en ligne Take this 20 question multiple choice quick quiz to test your knowledge of this topic. You only have 5 lives! par Richard Limb 1 What is biotechnology primarily concerned with? a Using living organisms to develop products b Producing sustainable resources through technology c Developing new products by the use of technology d Using living organisms to produce sustainable resources 2 Which class of enzyme is commonly used for genetic modification? a Catalases b Lipases c Restriction endonucleases d Mammal proteases 3 What is a GMO? a Genetically Modified Organism b Generally Modified Organism c General Medical Operation d Genetically Modified Organ 4 What is one benefit of genetic modification in agriculture? a Longer growing seasons b More pests c Increased crop yield d Higher soil acidity 5 Which of the following is a concern regarding GMOs? a Higher nutritional value b Lower production costs c Increased food variety d Potential environmental impact 6 What is gene therapy? a A method for cloning animals b A technique to treat diseases by modifying genes c A way to enhance physical traits d A process for creating vaccines 7 Which organisms are often used in genetic modification? a Fungi and protoctista b Bacteria and fungi c Protoctista and fungi d Bacteria and protoctista 8 A main use of microorganisms in biotechnology is the production of a Salt-intolerant varieties of wheat b Biodegradable plastics c Biofuels d Longer shelf-life foods 9 Which of the following is a common application of biotechnology? a Creating low pH-tolerant enzymes b Creating frost-sensitive varieties of wheat c Mining for gold d Producing insulin 10 Biotechnology uses microorganisms extensively because a They have major ethical issues b They have a high rate of reproduction c Their genetic code is widely different to ours d They have a low metabolic rate 11 Two classes of enzymes that are widely used in biological washing powders are a Lipases and proteases b Lipases and amylases c Proteases and amylases d None of the above 12 What is the process of enzyme immobilisation? a Enzymes are encased in gels to prevent movement b Enzymes are protected inside small, plastic beads c Enzymes are heat treated to prevent denaturation d Enzymes are kept at their temperature and pH optima 13 Which statement is corrent concerning the clarification of fruit juices? a Pectins are used to break down pectinase in plant cell walls, which makes the fruit juice clear b Pectinase is used to break down pectins in plant cell walls, which makes the fruit juice cloudy c Pectins are used to breakdown pectinase in plant cell walls, which makes the fruit juice cloudy d Pectinase is used to break down pectins in plant cell walls, which makes the fruit juice clear 14 The feedstock in a fermenting tank, used to produce commercial quantities of insulin, contains a Fats and glucose b Glucose and amino acids c Fats and amino acids d Fats, glucose and amino acids 15 The function of the water jacket in a fermenter is to a Prevent the escape of carbon dioxide b Prevent the entry of pathogens c Keep enzymes at their temperature optimum d Help maintain a pure culture 16 Fermenters need to be cleaned and sterilised after use. Which 3 methods are best for this? a Use of strong acids, alkalis and soaps b Use of disinfectants, cold water and acids c Use of hot water, brushes and mild soaps d Use of bleach, disinfectants and UV light 17 Genetic modification of crop plants has been carried out to give a High reproductive rate varieties and high temperature-tolerant varieties b Tall varieties and drought-resistant varieties c Herbicide-resistant and pesticide-resistant varieties d Fortified varieties and high salt-tolerant varieties 18 In fortified rice, the rice a Contains high amounts of vitamin A, which prevents night-blindness b Contains high amounts of vitamin C, which prevents scurvy c Contains high amounts of vitamin D, which prevents rickets d Contains high amounts of vitamin K, which is needed for effective blood clotting 19 An example of a vector is a a Protoctist chloroplast b Fungal hypha c Viral capsomere d Bacterial plasmid 20 Restriction endonuclease enzymes are used in genetic modification to a Join up sticky ends of bacterial plasmids b Cut out the wanted gene from human DNA and to cut plasmids open c Speed up the process of genetic modification d Ensure that the plasmids can be reused

Biotechnology and Genetic ModificationVersion en ligne

Take this 20 question multiple choice quick quiz to test your knowledge of this topic. You only have 5 lives!

par Richard Limb

What is biotechnology primarily concerned with?

Using living organisms to develop products

Producing sustainable resources through technology

Developing new products by the use of technology

Using living organisms to produce sustainable resources

Which class of enzyme is commonly used for genetic modification?

Catalases

Lipases

Restriction endonucleases

Mammal proteases

What is a GMO?

Genetically Modified Organism

Generally Modified Organism

General Medical Operation

Genetically Modified Organ

What is one benefit of genetic modification in agriculture?

Longer growing seasons

More pests

Increased crop yield

Higher soil acidity

Which of the following is a concern regarding GMOs?

Higher nutritional value

Lower production costs

Increased food variety

Potential environmental impact

What is gene therapy?

A method for cloning animals

A technique to treat diseases by modifying genes

A way to enhance physical traits

A process for creating vaccines

Which organisms are often used in genetic modification?

Fungi and protoctista

Bacteria and fungi

Protoctista and fungi

Bacteria and protoctista

A main use of microorganisms in biotechnology is the production of

Salt-intolerant varieties of wheat

Biodegradable plastics

Biofuels

Longer shelf-life foods

Which of the following is a common application of biotechnology?

Creating low pH-tolerant enzymes

Creating frost-sensitive varieties of wheat

Mining for gold

Producing insulin

Biotechnology uses microorganisms extensively because

They have major ethical issues

They have a high rate of reproduction

Their genetic code is widely different to ours

They have a low metabolic rate

Two classes of enzymes that are widely used in biological washing powders are

Lipases and proteases

Lipases and amylases

Proteases and amylases

None of the above

What is the process of enzyme immobilisation?

Enzymes are encased in gels to prevent movement

Enzymes are protected inside small, plastic beads

Enzymes are heat treated to prevent denaturation

Enzymes are kept at their temperature and pH optima

Which statement is corrent concerning the clarification of fruit juices?

Pectins are used to break down pectinase in plant cell walls, which makes the fruit juice clear

Pectinase is used to break down pectins in plant cell walls, which makes the fruit juice cloudy

Pectins are used to breakdown pectinase in plant cell walls, which makes the fruit juice cloudy

Pectinase is used to break down pectins in plant cell walls, which makes the fruit juice clear

The feedstock in a fermenting tank, used to produce commercial quantities of insulin, contains

Fats and glucose

Glucose and amino acids

Fats and amino acids

Fats, glucose and amino acids

The function of the water jacket in a fermenter is to

Prevent the escape of carbon dioxide

Prevent the entry of pathogens

Keep enzymes at their temperature optimum

Help maintain a pure culture

Fermenters need to be cleaned and sterilised after use. Which 3 methods are best for this?

Use of strong acids, alkalis and soaps

Use of disinfectants, cold water and acids

Use of hot water, brushes and mild soaps

Use of bleach, disinfectants and UV light

Genetic modification of crop plants has been carried out to give

High reproductive rate varieties and high temperature-tolerant varieties

Tall varieties and drought-resistant varieties

Herbicide-resistant and pesticide-resistant varieties

Fortified varieties and high salt-tolerant varieties

In fortified rice, the rice

Contains high amounts of vitamin A, which prevents night-blindness

Contains high amounts of vitamin C, which prevents scurvy

Contains high amounts of vitamin D, which prevents rickets

Contains high amounts of vitamin K, which is needed for effective blood clotting

An example of a vector is a

Protoctist chloroplast

Fungal hypha

Viral capsomere

Bacterial plasmid

Restriction endonuclease enzymes are used in genetic modification to

Join up sticky ends of bacterial plasmids

Cut out the wanted gene from human DNA and to cut plasmids open

Speed up the process of genetic modification

Ensure that the plasmids can be reused

Biotechnology and Genetic Modification

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Biotechnology and Genetic Modification

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Téléchargez la version pour jouer sur papier

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Biotechnology and Genetic ModificationVersion en ligne

par Richard Limb

What is biotechnology primarily concerned with?

Which class of enzyme is commonly used for genetic modification?

What is a GMO?

What is one benefit of genetic modification in agriculture?

Which of the following is a concern regarding GMOs?

What is gene therapy?

Which organisms are often used in genetic modification?

A main use of microorganisms in biotechnology is the production of

Which of the following is a common application of biotechnology?

Biotechnology uses microorganisms extensively because

Two classes of enzymes that are widely used in biological washing powders are

What is the process of enzyme immobilisation?

Which statement is corrent concerning the clarification of fruit juices?

The feedstock in a fermenting tank, used to produce commercial quantities of insulin, contains

The function of the water jacket in a fermenter is to

Fermenters need to be cleaned and sterilised after use. Which 3 methods are best for this?

Genetic modification of crop plants has been carried out to give

In fortified rice, the rice

An example of a vector is a

Restriction endonuclease enzymes are used in genetic modification to