NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The amount of phosphates in the culture media sigificantly affects production of antibiotics, thus to increase yield of antibiotics the phosphates in the media should be?
A
low
B
high
C
sufficient
D
none of the choices
Explanation: 

Detailed explanation-1: -Several abiotic factors such as oxygen, temperature, specific carbon and nitrogen sources, and microelements have been identified to influence antibiotic production by bacteria biocontrol agents.

Detailed explanation-2: -The antimicrobial behavior (toxin) of antibiotics occurs when their concentrations is high leading to bacterial death or growth arrest in susceptible receiver cells.

Detailed explanation-3: -Phosphorus (P) is essential to biological information storage and transfer, energy metabolism, and membrane integrity.

Detailed explanation-4: -Redox-Active Antibiotics Enhance Phosphorus Bioavailability.

There is 1 question to complete.