general virus / bacteria / cell info
Why aren't viruses considered living things?
they lack many of the characteristics of life
What is considered to be a possible host for a virus?
all living things
What does a virus need to replicate?
a host cell
what is the name of the type of medicine that PREVENTS you from getting sick?
vaccine
Is a virus a prokaryote or a eukaryote?
neither
What forms of genetic material do viruses carry?
DNA or RNA
give an example of an active virus
flu + covid + common cold
antibiotics = bacteria
antivirals = virus
what is it called when bacteria reproduce? What causes their genetic variation?
binary fission, conjugation
oops!
lose 500 points
give an example of a hidden virus
HIV / aids
how do antibiotics work?
they disrupt cell function (target cell wall or DNA
What is greater in size - a typical cell, virus, or bacteria?
(large) cell, bacteria, virus (small)
What is the protein coat found on viruses called?
capsid
what are the scientific names for the active and hidden virus replication cycles
lytic + lysogenic
name two ways that the human body is able to prevent itself from getting sick
skin, fever, mucus, antibodies, white blood cells
how many types of corona viruses are there? how many infect humans? why is it called the corona virus?
hundreds, 7, because of proteins that look like spikes on a crown
What is a bacteriophage?
a type of virus that tends to attack bacteria
what is the difference between the active and hidden viral replication cycles?
active viruses hit right away, whereas hidden viruses are with you for a lifetime and store themselves in your DNA
what was the first antibiotic ever discovered, who discovered it and HOW
penicillin, Alexander Flemming, it killed mold on petri dish accidentally