Which of the following bacteria is more infectious based on the infectious dose only? 

Strains of a bacteria

Why are Gram-negative bacteria more resistant than Gram-positive bacteria to damage by certain chemical agents like antibiotics?

You’ll probably study more effectively if you do not frequently change the place where you do homework.

The word mastery refers primarily to:

Why can’t prokaryotic species be defined as a group of similar organisms that could sexually reproduce together?

Knowing the Gram property of a specimen has important clinical implications, including potential pathogenic features of the organism, and what antibiotics might be most effective in combating it.

Which of the following is an example of an inclusion body?

The smaller the zone of growth inhibition in Kirby-Bauer test (disc-diffusion), the more effective the tested antibiotic against that particular tested bacterium.

BONUS:  A single primary spermatocyte will give rise to how many sperm?