Antibiotic ‘DEF’ disrupts the bacterial cell

wall by inhibiting peptidoglycan synthesis. Explain three

mechanisms by which bacteria could become resistant to antibiotic DEF.

The "herd immunity" effect in

vaccination primarily helps to:

Match the following

Please Note: You will be awarded full marks for each option ONLY when you select all corresponding correct answers. There is no partial marking for this question.

In PCR, primers are essential because they:

The COVID pandemic hit and you want to design a PCR kit to identify the positive

patients. 

A.

What all information you will need to design the PCR test?

resistance occurs when bacteria

evolve mechanisms to survive exposure to antibiotics.

Which type of vaccine contains weakened live

pathogens?

How do antibodies neutralize pathogens during

an infection?