00:01
So antibiotics are used to kill living things.
00:06
So that bio means that in order for an antibiotic to work, that substance has to be living.
00:12
Bacteria are living organisms.
00:15
Viruses are not living organisms.
00:18
So antibiotics will not work against the common cold virus because it's not living.
00:26
It's a virus.
00:26
So antibiotics do not work.
00:28
Gram staining is a method of differentiating between two different types of bacteria based on the type of cell wall they have.
00:38
So a gram stain is going to differentiate between gram positive and gram negative bacteria.
00:47
They stain different colors with that solution.
00:54
So microbes refer to microscopic organisms, particularly bacteria, are classified.
01:01
In this microbe group.
01:03
Now, bacteria have been in existence longer than many of the species that we have here on earth.
01:10
They are a widely varied group...