1
The process in which all living cells, spores and viruses are completely destroyed from an object is called _____.
Answer: Sterilization
Questions
3
Same DNA sequence may code for more than one protein by ______
Answer: Alternative splicing of RNA
4
Glucose that is taken in by a bacterial cell is made to stay within the cell by _______.
Answer: Phosphorylation
5
_____ is a predator bacterium that infects other gram negative bacteria.
Answer: Bdellovibrio
8
The highest feasible temperature for batch sterilization is ________
Answer: 121°C
9
The destruction of microorganisms by moist heat is described by ______________
Answer: First-order reaction
10
The long exposure of batch sterilization may lead to ____________
Answer: Degradation
11
What is the advantage of batch sterilization over continuous sterilization?
Answer: Lower equipment costs
13
The Del Factor decreases as the initial number of organisms _____________
Answer: Decreases
14
How long does it take for the autoclave to complete its cycle?
Answer: 15-20 minutes
15
Which scientists introduced the term ‘Del factor’?
Answer: Deindoerfer and Humphrey
16
Which of the following reaction occurs during the sterilization which results in browning of media?
Answer: Maillard reaction
17
If the foreign microorganism invades the fermentation, which of the following is not likely to occur?
Answer: The medium will not allow the growth of contaminant
18
UHT sterilization involves high temperature exposure of objects for _____.
Answer: 1 – 3 seconds
20
The best form of DNA to transform E. coli is ______.
Answer: Covalently closed
