Strain improvement

Random or specific mutations in order to improve productivity know as__________

• Genetic modifications

• Strain improvement

• Selection of mutants

• None

Which is the following culture collection in India

• MTCC

• NCIM

• NFCCI

• all of these

What is essential Cofactor for enzymes in fatty acid biosynthesis

• Glutamate

• Biotin

• Protein

• None

Biosynthesis of glutamate by

• C. Glutamicum

• Glyoxylate

• Both

• None

Deficiency in the level of alpha ketoglutatrate dehydrogenase,which coverts _______ to ___________ in TCA cycle

• Alpha ketoglutrate ,succinate

• Succinate,alpha ketoglutrate

• Succinate ,fumarate

• Fumarate,succinate

What is Feedback inhibiton

• End product inhibits the activity of an enzyme catalysis one

• Starting product inhibits the activity of an enzyme catalysis one

• Both

• None

Which control system involves the control of the pathway by more than one end product

• Co operative feedback control

• Cumulative feedback control

• Sequential feedback control

• Multivalent feedback control

How the overcome feedback inhibition for better productivity?

• The end product which control the key enzyme

• Organism does not produce the end product which control the key enzyme of the pathway

• Organisms does not recognize the presence of inhibiting

• All of these

Auxotrophy can grown on minimal medium. T/ F

• false

• True

Examples of auxotrophic mutants

• C.glutamicum for overproduction of lysine

• C.glutamicum for overproduction of ornithine

• Both

• None