XII: Chapter 12- Biotechnology and its application Flashcards

1
Q

Give examples of lepidopterans.

A

Tobacco budworm, armyworm

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2
Q

Proteins coded by which genes control cotton bollworms?

A

Cry1Ac and Cry2Ab

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3
Q

Proteins coded by which gene control corn borers?

A

Cry1Ab

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4
Q

How were nematode specific genes introduced into the host plant?

A

Using agrobacterium vectors

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5
Q

How many therapeutics have been approved for human use worldwide and in India?

A

30 worldwide and 12 in India

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6
Q

When was genetically engineered insulin first produced?

A

1983

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7
Q

When was the first clinical gene therapy given?

A

1990

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8
Q

ADA deficiency stands for

A

Adenosine deaminase deficiency

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9
Q

As a first step towards gene therapy which cells of the ADA deficiency patient were cultured?

A

Lymphocytes

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10
Q

How was ADA cDNA introduced into cultured lymphocytes for gene therapy of ADA deficiency?

A

Using retroviral vector

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11
Q

No transgenic model exists for cystic fibrosis. True/false?

A

False. Transgenic models exist for cystic fibrosis.

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12
Q

No transgenic model exists for Alzheimer’s. True/false?

A

False. Transgenic models exist for Alzeihmer’s.

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13
Q

When was the first transgenic cow made?

A

1997

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14
Q

How many gram of protein was present per litre in the milk produced by Rosie the transgenic cow?

A

2.4g

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15
Q

GEAC stands for

A

Genetic engineering approval committee

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16
Q

In which year did an American company get patent rights on Basmati rice through the US Patent and trademark office?

A

1997

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17
Q

How many amino acids does insulin have in both of its chains?

A

A- chain : 21 amino acids

B-chain : 30 amino acids

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18
Q

What are second generation vaccines?

A

rDNA vaccines

19
Q

What are third generation vaccines?

A

DNA vaccines

20
Q

What is the use of interferon alpha therapeutic?

A

Treatment of cancer

21
Q

What is the use of tissue plasminogen activator therapeutic?

A

Myocardial infarction

22
Q

What is the use of the therapeutic DNAse?

A

Cystic fibrosis

23
Q

What is the use of the therapeutic OKT-3?

A

immunosuppressive agent to prevent acute rejection in case of organ transplant

24
Q

What is the use of the therapeutic GCSF?

A

Cancer treatment

25
What is the blood tested for in direct ELISA?
Antigen
26
What is attached to the well in direct ELISA?
Enzyme linked antibody
27
What is the blood tested for in Indirect ELISA?
Antibody
28
What is present on walls of wells in indirect ELISA?
Antigen
29
What is the blood tested for in sandwich ELISA?
Antigen
30
What is attached on the walls of wells in sandwich ELISA?
Primary antibody
31
Which part of the insect does Bt toxin affect?
Epithelial cells of midgut
32
Transgenic golden rice is made by the addition of which gene in Oryza sativa?
Beta-carotene producing gene from daffodils or carrots
33
Which plant was genetically engineered to make hirudin?
Brassica napus
34
RNA interference is present in all organisms as a method of cellular defence. True/false?
False. | RNA interference is present in all eukaryotes as a method of cellular defence.
35
Which was the first transgenic plant available in market?
Flavr savr tomato
36
Golden rice is rich in
Vitamin A and iron
37
What are the qualities of flavr savr tomatoes which make them different from other tomatoes?
Longer shelf life, stronger taste, bigger
38
What is the function of genetically modified pseudomonas florescence?
Prevents frost damage on the plants that it grows
39
What is the super bug?
Pseudomonas putida | Scavenger of oil spills
40
HGH insert in common carp makes it
2 times in size
41
Name the first transgenic sheep.
Polly molly
42
Name the first successful mammalian clone
Dolly the sheep
43
To create first transgenic sheep, the host was
Black faced ewe
44
To create first transgenic sheep the host was
White faced ewe