HARD
Earn 100

What are the vaccines? Describe the process of vaccine production.

Important Questions on Biotechnology

MEDIUM
Which of the following statements is not correct?
EASY
Insulin stimulates the conversion of glucose to
MEDIUM

Give the role of:

Tissue growth factor-Beta (TGF-β) in gene therapy.

EASY
The two polypeptides of human insulin are linked together by:
EASY
Which of the following glucose transporters are insulin-dependent?
EASY

Identify the correct sequence of steps that are followed in gene therapy.
A Altered virus is mixed with cells from patient
B. Therapeutic human gene is inserted into the virus (vector)
C. Cells are collected from the patients
D. Cells from the patient become genetically altered
E. Reintroduction of genetically altered cells into patient
F. Suitable virus (vector) is selected and altered
G The genetically altered cells produce the desired proteins or hormones

MEDIUM

Give the role of:

Tissue plasminogen activator (TPA)

MEDIUM
Match the following hormones with the respective disease:
  Column – I   Column – II
(a) Insulin (i) Addison’s disease
(b) Thyroxin (ii) Diabetes insipidus
(c) Corticoids (iii) Acromegaly
(d) Growth Hormone (iv) Goitre
    (v) Diabetes mellitus

Select the correct option
EASY
The first human hormone produced by recombinant DNA technology is:
MEDIUM

With regard to insulin choose correct options.

(a) C-peptide is not present in mature insulin.

(b) The insulin produced by rDNA technology has C-peptide.

(c) The pro-insulin has C-peptide.

(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.

EASY
Name a peptide hormone which acts mainly on hepatocytes and adipocytes and enhances cellular glucose uptake and utilisation.
HARD
Now a days it is possible to detect the mutated gene causing cancer by allowing radioactive probe to hybridise its complimentary DNA in a clone of cells, followed by its detection using autoradiography because:
MEDIUM

Match the following 

   List - I     List - II
(a) First clinical gene therapy (i) DNA Amplification
(b) Transfection (ii) Introduction of genetically modified DNA into a eukaryotic cell
(c) Synthetic oligodeoxynucleotides (iii) Adenosine deaminase
(d) PCR (iv) Silencing genes

The correct answer is

MEDIUM

Assertion (A): Molecular fariming is large scale production of biochemicals from plants.

Reason (R) : Transgenic plants are bioreactors for commercial production of antibodies. 

The correct option among the following is:

MEDIUM
Define the following term with a suitable example: 
Broad-spectrum antibiotics
EASY
The number of amino acids in B chain of insulin
HARD
 This entry in the table is wrongly matched, identify.
EASY
Stirred-tank bioreactors have been designed for: