Bio – what are osmophilic (or halophilic) organisms


1) What are osmophilic (or halophilic) organisms
a) Microorganisms that claim low pH for augmentation.
b) Microorganisms that can’t complete osmosis.
c) Microorganisms that claim the nearness of a low solute strain.
d) Microorganisms that are efficient to increase in the nearness of a excellent solute strain.

2) What is the arrangement following the renewal of UV not-difficult on microorganisms?
a) It promotes chemical and tangible changes in nucleic acids and proteins.
b) It stops bacterial endospore construction. 
C) It causes dehydration of the cell
D) It causes osmotic lysis 

3) What is the soul of open soap to nullify transmission of transferred indisposition?
A) Soap is categorically teeming and acts to split membranes of bacteria.
B) Soap causes reactive oxygen estimation to split cellular functions
C) Soap binds to nucleic acids to cause thymine dimers
D) Soap acts as a degerming embodiment to dislodge oil and exterior microbes 

4) Often the estimate of bacteria uncompounded off of operatives succeeding operative washing veritably INCREASES delay further washes. Why?
A) Because washing stimulates swift bacterial augmentation.
B) Because operative washing doesn’t operation to dislodge bacteria.
C) Because the soap or operative sanitizer is tainted.

D) Because you initiate to dislodge occupant flora succeeding divers washes
5) Which organism is the most cubic to the deadly goods of ultraviolet not-difficult?
A) A protozoan that does not constitute cysts
B) A spore-forming bacteria
C) A virus
D) A gram privative bacteria 

 

6) Since 70% alcohol acts to denature proteins, but this renewal takes interval. What are we veritably accomplishing by swabbing a unrepining anterior to hypodermic needle introduction?
A) Killing of all exterior bacteria
B) Cleaning the area and analysis of some exterior bacteria.
C) Contamination of the introduction condition delay pathogens
D) Complete sterilization of the introduction condition