Genetically engineered human insulin is produced by:
Bacteria
Viruses
Fungi
Plants
Related Questions
Which two chains make up the mature, functional human insulin molecule produced by genetic engineering?
A and B chains linked by disulfide bonds
A and C chains linked by hydrogen bonds
B and C chains linked by peptide bonds
Alpha and beta chains linked by glycosidic bonds
If the disulfide bridges in human insulin were broken, what would be the most likely consequence?
Enhanced insulin activity
Loss of insulin activity
No change in insulin activity
Increased insulin synthesis
Apart from disulfide bridges, which other interactions contribute to the overall three-dimensional structure of insulin?
Peptide bonds only
Glycosidic bonds and phosphodiester bonds
Hydrogen bonds, hydrophobic interactions, and van der Waals forces
Ionic bonds only
Mature insulin consists of?
Two long polypeptide chains
Two long polynucleotide chains
Two short polypeptide chains
Two short polynucleotide chains
What enzyme is used to 'cut' and 'paste' DNA in genetic engineering?
Restriction enzymes and ligase
DNA polymerase
RNA polymerase
Reverse transcriptase
Which of the following is now being economically produced by biotechnological procedures?
Morphine
Quinine
Insulin
Nicotine
The production of human insulin in bacteria involves the insertion of the human gene for insulin into a bacterial plasmid. This plasmid then acts as a:
Vector
Promoter
Operator
Repressor
Which statement incorrectly describes the role of cell division in organisms?
Meiosis is crucial for sexual reproduction.
Mitosis is primarily involved in growth and repair.
Both mitosis and meiosis involve DNA replication.
Mitosis is the process of gamete formation.
Regarding insulin, which of the following statements are correct?
(a) Mature insulin lacks C-peptide.
(b) Insulin produced via rDNA technology contains C-peptide.
(c) Pro-insulin has C-peptide.
(d) Disulfide bridges link the A-peptide and B-peptide of insulin.
(a), (b), (c)
(a), (c), (d)
(b), (c), (d)
(a), (b), (d)
Which type of bond is crucial for maintaining the structural integrity of the two polypeptide chains in human insulin?
Hydrogen bond
Disulfide bond
Glycosidic bond
Phosphodiester bond
