Which of the following is not an inhibitor of pyruvate dehydrogenase in conversion pyruvate to acetyl CoA?
Anonymous Quiz
27%
Citrate
29%
ATP
19%
NADH
25%
Acetyl CoA
Which of the following enzyme is not used in triacylglycerol assays?
Anonymous Quiz
12%
Lipase
20%
Glycerol kinase
38%
Glycerol phosphate dehydrogenase
30%
Urease
Amylase is found in ________ at higher concentration.
Anonymous Quiz
59%
pancreatic juice
15%
milk
25%
tears
1%
urine
Which of the following do not have high concentration of aspartate transaminase?
Anonymous Quiz
14%
Heart
26%
Liver
49%
Saliva juice
11%
Kidney
Acetylcholinesterase is found in ________
Anonymous Quiz
12%
saliva juice
25%
pancreatic juice
54%
matrix of synaptic cleft
9%
tears
Which of the following places pseudocholine esterase is not found?
Anonymous Quiz
17%
Hepatic cells
25%
Intestine
32%
Pancreatic juice
26%
Serum
Which scientist(s) pointed out that the stationary phase is a misnomer in terms of the physiology of organism?
Anonymous Quiz
15%
Burrow et al.
54%
Bu’Lock et al.
15%
Bull
15%
Monod
Borrow et al. investigated the biosynthesis of Gibberellic acid by Gibberella fujikuroi and divided growth of organisms into balanced, storage and maintenance phase. What do you mean by storage phase?
Anonymous Quiz
48%
The phase equivalent to the early to middle exponential phase
21%
The phase equivalent to the late exponential phase
21%
The phase equivalent to the stationary phase
9%
The phase equivalent to the lag phase
During continuous culture/fermentation, nutrients in the fermenter are utilized at a fast rate.
Anonymous Quiz
78%
True
23%
False
Which scientist(s) gave a full kinetic description of external and internal feedback system?
Anonymous Quiz
31%
Monod
28%
Pirt
15%
Bull
26%
Harte and Webb
A multistage system is shown below. Label the stages 1 and 2.
Anonymous Quiz
30%
1-Medium inlet and 2-culture effluent
37%
1-Mixing chamber and 2-culture effluent
27%
1-Medium inlet and 2-Liquid reservoir
7%
1-Culture effluent and 1-Medium Inlet
All the constituents of medium are excess in _______
Anonymous Quiz
20%
Chemostat
30%
Turbidostat
36%
Batch culture
14%
Fed-Batch culture
Which of the following is NOT correct for Continuous fermentation?
Anonymous Quiz
57%
Setup is not changed from outside once the fermentation has started
17%
Nutrients are added many times
14%
Closer to the natural environment
11%
The small size of fermenters are required
Who introduced the term “Fed-Batch”?
Anonymous Quiz
30%
Burrow et al.
46%
Bu’Lock et al.
19%
Yoshida et al.
5%
Maniatis et al.
Which scientist(s) described the kinetics of variable-volume fed-batch culture?
Anonymous Quiz
27%
Dunn and Mor
39%
Maniatis et al.
24%
Van’t Hoff
9%
Maxwell
❤1
Which of the following does not include in the range of fermentation processes?
Anonymous Quiz
20%
Microbial Enzymes
40%
Microbial metabolites
27%
Biotransformation
13%
Recombinant DNA
In fixed-volume fed-batch culture, volume changes with fermentation time due to the substrate feed.
Anonymous Quiz
82%
True
18%
False
Cyclic Fed-Batch culture has been used for the production of _______
Anonymous Quiz
19%
Bovine serum albumin
39%
Penicillin
32%
Human serum albumin
10%
Cheese Production
The feed solution in fed-batch culture is highly concentrated to _______
Anonymous Quiz
8%
avoid dilution of the bioreactor
60%
maintain low cell density in bioreactor
16%
avoid lag phase
16%
increase productivity