Which of the following procedure has a great application in strain improvement?
Anonymous Quiz
48%
rDNA Technology
23%
Conjugation
23%
Transformation
6%
Transduction
Who isolated a biotin-requiring, Corynebacterium glutamicum?
Anonymous Quiz
31%
Kinoshita
62%
Nakayama
0%
Nakao
8%
Demain
Which of the following secondary metabolites does not prevent the synthesis of its own?
Anonymous Quiz
29%
Chloramphenicol
23%
Puromycin
45%
Penicillin
3%
Streptomycin
Which of the following cannot induce mutations?
Anonymous Quiz
26%
X-rays
31%
Gamma rays
17%
Bromine
26%
Chlorine
❤1
Which of the following is a type of mutation?
Anonymous Quiz
28%
Point mutations
44%
Frameshift mutations
25%
Sense mutation
3%
Missense mutations
Which of the following strain is useful for diabetes treatment?
Anonymous Quiz
0%
Interferon
78%
Insulin
13%
Interleukin
9%
Glucagon
The levels of primary metabolites are regulated by _______
Anonymous Quiz
36%
Feedback mechanism
24%
rDNA Technology
33%
Incubating the microorganism in dark
6%
Adding the inhibitors
Which of the following control system involves the control of the pathway by more than one end product?
Anonymous Quiz
8%
Concerted
62%
Cooperative
12%
Cumulative
19%
Sequential
Name the Feedback control.
Anonymous Quiz
35%
Concerted
32%
Cooperative
23%
Cumulative
10%
Sequential
Which of the following is not true for the feedback system?
Anonymous Quiz
26%
It controls the production of primary metabolites
44%
It inhibits the synthesis of the main enzyme of the pathway
19%
It blocks the allosteric site of the main enzyme of the pathway
11%
It prevents product formation
Which of the following is absent in fermentation media?
Anonymous Quiz
17%
Carbon
46%
Nitrogen
20%
Agar
17%
Water
Which of the following raw material is useful for the production of alcohol?
Anonymous Quiz
12%
Waste liquor
62%
Molasses
21%
Starch
6%
Alkanes
Which of the following is not the constituent of Beet molasses?
Anonymous Quiz
24%
Biotin
36%
Thiamine
33%
Inositol
6%
Cobalamin
_Torula utilis_ requires ______ and ______
Anonymous Quiz
22%
Hexose and pentose
47%
Hexose and pyranose
25%
Pyranose and pentose
6%
Ketose and fructose
Which of the following is a by-product after starch extraction from maize?
Anonymous Quiz
20%
Blackstrap molasses
34%
Hydrol molasses
37%
Corn steep liquor
9%
Beet molasses
Which of the following is used for glutamic acid production?
Anonymous Quiz
20%
Sucrose
51%
Hydrolyzed cassava starch
20%
Oleic acid
9%
Corn steep
The sources of complex carbohydrates are wood wastes, straws, cobs, beet molasses, hydrol molasses.
Anonymous Quiz
81%
True
19%
False
Which of the following is a by-product after starch extraction from maize?
Anonymous Quiz
16%
Blackstrap molasses
29%
Soybean
55%
Corn steep liquor
0%
Peptones
Nitrogen sources used in media formulation are following except ______
Anonymous Quiz
8%
Peptones
33%
Soybean meal
28%
Pharmamedia
31%
Hydrocarbons
Which of the following nitrogen source is used in penicillin production?
Anonymous Quiz
18%
Peanut granules
41%
Corn steep liquor
29%
Phamamedia
12%
Soybean meal