Tutor profile: Kim H.

What are the most common organisms that cause sinus infections and what are the treatments?

The most common causes of sinus infectious are usually viral, but some bacteria can be the culprit including Step Pneumoniae as the most common, do you know what antibiotic as good coverage of S. pneumoniae? Can you think of other bacteria that may cause acute sinusitis and what we may use to treat them?

Why are vaccines important?

Vaccines provide immunity against certain diseases usually by taking an inactivated virus or protein from an infectious virus or bacteria and activating the body's immune system against it. There are certain individuals who have a weakened immune system either due to medical problems or they are too young so that they cannot receive vaccinations. It is important for healthy people to receive vaccines in order to protect them. This is referred to as "herd immunity". Can you think of how herd immunity would protect unvaccinated individuals?

Can you please tell me the difference between eukaryotic and prokaryotic cells?

Eukaryotic cells have a nucleus while prokaryotic cells do not. Can you think of an example of each?