Which of the following is a endonuclease?
Protease
DNase I
RNase restriction
Hind II
Polymerase chain reaction is useful in
DNA synthesis
DNA amplification
protein synthesis
amino acid synthesis
An enzyme produced commercially from Saccharomyces cerevisiae is
lactase
invertase
amylase
maltase
Stirred-tank bioreactors have been designed for:
purification of product
addition of preservatives to the product
availability of oxygen throughout the process
ensuring anaerobic conditions in the culture vessel
Which of the following is not a component of downstream processing?
Separation
Purification
Preservation
Expression
Genetically engineered microorganism used successfully in bioremediation of oil spills is
Trichoderma
Xanthomonas
Bacillus
Pseudomonas
Red biotechnology is applied to
agricultural processes
medical processes
Both a and b
industrial processes
The DNA fragments separated on an agarose gel can be visualised after staining with
bromophenol blue
acetocarmine
aniline blue
ethidium bromide
First antibiotic was discovered by
Robert Koch
Louis Pasteur
Alexander Fleming
None of these
Pasteurisation is
heating of liquid 65°C
heating of liquid between 65 - 80°C followed by rapid cooling
heating of solids at 65°C
