Question

Question 48 1 pts Please select all the factors that would impact the effectiveness of an antimicrobial agent (such as bleach) at killing all the microbes on a surface: Duration (time) of exposure of the agent to the surface Concentration of Antimicrobial agent used on the surface Microbial characteristics of the microbes on the surface Number of microbes on the surface before treatment Characteristics and identity of the Antimicrobial agent used on the surface Environmental conditions of the surface (organic matter, temperature, pH, biofilms) D Question 49 1 pts The lowest antibiotic concentration capable of preventing bacterial growth is called the ... O epsilometer challenge o minimal inhibitory concentration O No answer text provided. O pasteurization prevention

Answer 1

For 48 question other than the 3rd option all factors matter when using the disinfectant.

49) Lowest antibiotic concentration capable to prevent bacterial growth is called minimal inhibitory concentration.

50) UV radiation causes the formation of thymine dimers which prevents bthe DNA to form Hydrogen bonds necessary for complementary base pairing which means the starnd cannot undergo transcription or DNA Replication.

Hope this helps, Good luck!!