introduction Flashcards

(51 cards)

1
Q

What is biotechnology?

A

Using biological organisms (animals plants microbes) to achieve human goals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Define animal biotechnology

A

Use of molecular biology techniques to genetically engineer animals for pharmaceutical agricultural or industrial purposes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Broad definition of biotechnology

A

Exploiting biological systems to achieve human goals

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Name one early form of animal biotechnology

A

Selective animal breeding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How long has selective breeding been practised?

A

Thousands of years

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Who established selective breeding as a scientific practice?

A

Robert Bakewell

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What traits did Robert Bakewell select for?

A

Improved meat production in sheep and cattle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is biomanufacturing?

A

Using animals or animal cells to manufacture useful biological products

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Why are vaccines important in biotechnology?

A

They are one of the earliest and most successful biotech applications

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What technology sparked the animal biotechnology revolution?

A

Recombinant DNA technology

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is recombinant DNA technology?

A

Combining DNA from different organisms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is a transgenic animal?

A

An animal genetically modified to carry foreign DNA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is genome sequencing?

A

Determining the complete DNA sequence of an organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is cloning?

A

Producing genetically identical copies of an organism

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is epigenetics?

A

Study of heritable changes in gene expression without DNA sequence change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What is targeted genome editing?

A

Precise modification of DNA at specific locations

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Name a genome editing tool

A

CRISPR-Cas

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Give one food application of animal biotechnology

A

Selective breeding cloning transgenic animals IVF or cultivated meat

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

What is cultivated meat?

A

Meat grown from animal stem cells in culture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is AquAdvantage salmon?

A

A genetically modified fast-growing salmon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Why are hornless cattle produced?

A

To improve animal welfare and handler safety

22
Q

Why develop disease-resistant livestock?

A

To reduce antibiotic use

23
Q

Give one medical application of animal biotechnology

A

Immunotherapy gene therapy stem cell therapy or biopharmaceuticals

24
Q

What are biopharmaceuticals?

A

Therapeutic proteins produced using biotechnology

25
What is immunotherapy?
Treatment that uses or modifies the immune system
26
What are monoclonal antibodies?
Identical antibodies produced from a single cell clone
27
Name one cancer immunotherapy technique
CAR-T therapy
28
What is gene therapy?
Delivery of DNA to treat a genetic disease
29
What vectors are commonly used in gene therapy?
Viral vectors
30
What was a major gene therapy failure?
Death of Jesse Gelsinger in 1999
31
Name one successful gene therapy outcome
Treatment of SMA type 1 or sickle cell anaemia
32
What is assisted reproduction?
Technologies that aid fertilisation and reproduction
33
Name one assisted reproduction technique
IVF artificial insemination or semen cryopreservation
34
What is semen sexing?
Separating sperm by sex chromosomes
35
What is nuclear transfer?
Transfer of a nucleus into an enucleated egg
36
What is a stem cell?
An undifferentiated cell capable of self-renewal and differentiation
37
Give one materials industry application of animal biotechnology
Transgenic silkworms cultured leather or spider silk proteins in goat milk
38
What was the Enviropig?
A genetically modified pig that reduced phosphorus pollution
39
Why did Enviropig fail commercially?
Loss of funding and public concerns
40
What are biosimilars?
Biological products similar to approved biologic drugs
41
Why is commercialisation difficult in animal biotechnology?
High costs long timelines IP issues and public perception
42
Name one biotechnology company failure
PPL Therapeutics or Promise Fertility
43
Why did PPL Therapeutics fail?
Falling share prices and commercial difficulties
44
Name one biotechnology success
Humira Remicade Herceptin or Ruconest
45
What is Ruconest?
A therapeutic protein produced in transgenic rabbit milk
46
What ethical issue is linked to genome editing?
Human germline modification
47
What is human germline engineering?
Heritable editing of the human genome
48
List one core animal biotechnology technique
PCR DNA sequencing genome editing or proteomics
49
What is PCR?
A technique to amplify DNA
50
What is SDS-PAGE used for?
Separating proteins by size
51
What is bioinformatics?
Using computational tools to analyse biological data