Which of the following is used as the precursor for Griseofulvin production?
Anonymous Quiz
4%
Cyanides
48%
Chloride
26%
?- Iononones
22%
Anthranilic acid
Which of the following is used in the preparation of Nikkomycins?
Anonymous Quiz
33%
Streptomyces organonensis
38%
Penicillium chrysogenum
29%
Streptomyces tendae
0%
Lactobacillus bulgaricus
Which of the following is used as the precursor of preparation of Cyclosporin C?
Anonymous Quiz
28%
L – Threonine
34%
Cyanides
34%
Phenoxy acetic acid
3%
D- Threonine
Cyanide is used as a precursor for production of ________
Anonymous Quiz
21%
Carotenoids
39%
Vitamin B12
36%
Riboflavin
3%
Vitamin B2
Which of the following is not a property of antifoams?
Anonymous Quiz
4%
It should be active at low concentrations
50%
It should have fast action on an existing foam
15%
It should be non-toxic to micro-organism
31%
It need not be sterilized
Who recognized the foaming patterns in fermentation?
Anonymous Quiz
11%
Lee
43%
Hall
32%
Tyman
14%
Solomons
Which of the following is not a defoamer?
Anonymous Quiz
17%
Amide waxes
17%
Oleic acid
47%
Organic phosphates
20%
Propanoic acid
The antifoaming agents should not cause any problems in the extraction and purification of the product.
Anonymous Quiz
88%
True
13%
False
The fermentation media should be free from _________
Anonymous Quiz
17%
Precursors
36%
Inhibitors
36%
Toxicity
11%
Defoamers
The fermentation media should not allow high yield of undesired products.
Anonymous Quiz
83%
True
17%
False
Which of the following acts as ?- Amylase inducer?
Anonymous Quiz
23%
Yeast mannans
43%
Starch
20%
Cellulose
14%
Pectin
❤2
In which of the following way, the medium may not influence oxygen availability?
Anonymous Quiz
32%
Fast metabolism
32%
Rheology
29%
Antifoams
6%
Elicitors
Maltose is inducer for an enzyme ___________
Anonymous Quiz
9%
Pectinases
48%
Proteases
36%
Pullulanase
6%
Nitralase
Which of the following is not an inhibitor used in fermentation?
Anonymous Quiz
23%
Bromide
42%
Ethionine
19%
Alkali metal
15%
Alkali earth metal
When more than five variables are to be accessed ______________ design can be used.
Anonymous Quiz
7%
Stowe-Mayer
63%
Greasham-Inamine
7%
Bull-Hicks
22%
Plackett-Burman
What do H and L denote in Plackett-Burman method?
Anonymous Quiz
35%
Height and Length
38%
High and Low
19%
Half and Life
8%
Hearing and Listening
❤1
Animal cells are used for the production of _____________
Anonymous Quiz
18%
Interferons
32%
Albumin
29%
Collagen
21%
Protein-free media
Which of the following is not the replacement in serum-free media?
Anonymous Quiz
21%
Insulin
24%
Albumin
38%
Antibody
17%
Transferrin
Hybridoma technology is used in the production of __________
Anonymous Quiz
21%
Polyclonal Antibodies
15%
Antigens
58%
Monoclonal Antibodies
6%
Insulin
Which scientist(s) demonstrated the growth of Chinese Hamster cells in protein-free media?
Anonymous Quiz
21%
Hamilton and Ham
50%
Plackett and Burman
21%
Stowe and Mayer
8%
Bull and Hicks