They are not cells. They do not use energy to grow or respond to their surroundings.
100
There are more bacteria living in your ________________ than there are people who are living on Earth.
mouth
100
T/F -- The majority of bacteria in the world are harmless to humans.
True
200
A __________ is a living thing that provides a source of energy for a virus or an organism.
host
200
Bacteria are _______________, meaning that the genetic material in their cells is not contained in a nucleus.
prokaryotes
200
Some bacteria are hard to kill. They can survive harsh conditions by forming _______________, which are small, thick-walled resting cells that form inside a bacterial cell. The genetic material is preserved there until conditions are right for growth.
endospores
300
Almost all viruses act like __________ because they destroy the cells in which they multiply.
parasites
300
What are the 3 common shapes of bacteria?
spherical, rod-like, spiral
300
The most effective treatment against bacterial diseases is the use of ________________.
antibiotics
400
A ________________ is a virus that infects bacteria.
bacteriophage
400
What are the two kingdoms of bacteria and what is one trait of each?
archaebacteria, eubacteria
400
What is the cure for rhino virus?
There is no cure for the common cold! We can only treat our symptoms.
500
All viruses have 2 basic parts: an outer coat made of ___________ that protects the virus and an inner core made of __________________.
protein, genetic material
500
Compare/contrast binary fission and conjugation.
Binary fission : asexual reproduction -- one cell divides to form two identical cells
Conjugation : sexual reproduction -- one bacterium transfers some of its genetic material into another through a thin thread that connects them