Which of the following is not an inhibitor used in fermentation?
Anonymous Quiz
24%
Bromide
44%
Ethionine
16%
Alkali metal
16%
Alkali earth metal
When more than five variables are to be accessed ______________ design can be used.
Anonymous Quiz
8%
Stowe-Mayer
62%
Greasham-Inamine
8%
Bull-Hicks
23%
Plackett-Burman
What do H and L denote in Plackett-Burman method?
Anonymous Quiz
36%
Height and Length
36%
High and Low
20%
Half and Life
8%
Hearing and Listening
❤1
Animal cells are used for the production of _____________
Anonymous Quiz
15%
Interferons
33%
Albumin
30%
Collagen
21%
Protein-free media
Which of the following is not the replacement in serum-free media?
Anonymous Quiz
21%
Insulin
25%
Albumin
36%
Antibody
18%
Transferrin
Hybridoma technology is used in the production of __________
Anonymous Quiz
22%
Polyclonal Antibodies
16%
Antigens
56%
Monoclonal Antibodies
6%
Insulin
Which scientist(s) demonstrated the growth of Chinese Hamster cells in protein-free media?
Anonymous Quiz
22%
Hamilton and Ham
48%
Plackett and Burman
22%
Stowe and Mayer
9%
Bull and Hicks
Which of the following provides a protective effect to animal cells?
Anonymous Quiz
0%
Hepes
39%
Pluronic F-28
43%
?-mercaptoethanol
18%
Albumin
Which of the following is an advantage of serum-free protein media?
Anonymous Quiz
19%
Simple upstream processing
38%
Undefined media composition
35%
Simple downstream processing
8%
Costly
The role of the fermentation media is to provide a high amount of nutrients and optimum conditions for the growth of microorganisms.
Anonymous Quiz
81%
True
19%
False
Which of the following is downstream processing?
Anonymous Quiz
13%
Cell breakdown
34%
Media formulation
44%
Product recovery
9%
Product formation
❤1
Which of the following is not a type of sterilization?
Anonymous Quiz
8%
Batch
31%
Continuous
41%
Filter
21%
Submerged
How long does it take for the autoclave to complete its cycle?
Anonymous Quiz
25%
30-35 minutes
50%
50 min to 1 hr
19%
15-20 minutes
6%
10-15 minutes
The sterilization in double spiral heat exchanger is done through ___________
Anonymous Quiz
45%
Countercurrent mechanism
35%
Counter mechanism
13%
Symporter mechanism
6%
Antiporter mechanism
Which of the following is the most preferable frequency for ultrasonic sterilization?
Anonymous Quiz
30%
500 kHz
37%
300 kHz
27%
600 kHz
7%
400 kHz
Which of the following is not the property of Chromium film?
Anonymous Quiz
25%
Non-porous
25%
Soluble
46%
Self-healing
4%
Continuous
The AISI grade 316 contains _______ amount of chromium.
Anonymous Quiz
10%
15 %
57%
18 %
24%
20 %
10%
18.5 %
The AISI grade 317 contains ________ amount of molybdenum.
Anonymous Quiz
13%
5 – 10 %
61%
3 – 5 %
13%
1 – 2 %
13%
11 – 14 %
The purpose of aeration is to provide ___________
Anonymous Quiz
16%
The medium to organisms
31%
The carbon dioxide to organisms
53%
The oxygen to organisms
0%
The water to organisms