Microbiology Answers

Which DNA purine forms three H bonds with its partner in the other DNA strand?
Which forms two H bond?

Short notes on Staphylococcal food poisoning.

what is the Laboratory diagnosis of Human papillomavirus?

short notes on aid fast bacteria.

what are the factors involved during spread of pathogens?

Discuss how the emergence of antibiotic resistant strains may adversely affect the success
of antibiotic therapy

With regard to the morphology, virulence factors and cultural characteristics, compare the
two species of vibrios with significant effect on humans.

Explain how Staphylococcus aureus strains acquire virulence factors.

If you inoculate 1*10^6 CFU/ml E.coli, assuming a population doubling time of 20 minutes. Calculate the total number of cells present in a 100 ml flask of LB broth after 6 hours.

Can a retrovirus survive the ph of stomach acid if HIV is usually transmitted through blood? I'm trying to understand how the first people were infected. They say it was from consuming meat from monkeys. I immediately think is it zootonic? So are we saying HIV is not only blood-borne, but could also be food-borne? If viral pathogens aren't alive, how can they be pathogenic?