Background Info.
An organism whose cells do not have a true nucleus.
Prokaryote
What is located in the cytosol of a bacterial cell?
The DNA / RNA
What are the three types of bacteria shapes?
Rod, Spiral, and Spherical
Name 2 beneficial roles bacteria play in the environment.
Bacteria help roots of certain plants "Fix" nitrogen back into the soil and decompose organic matter.
Non-living
True or False: The amount of Bacterial and Viral cells in our body is equal to the amount of human cells in our body?
True
What produces protein for a bacteria in order for it to survive?
Ribosomes
What does peptidoglycan do for a bacterial cell?
Gives it structure and rigidity.
The method by which bacteria reproduce is called...
Binary Fission
What two structures does a virus consist of?
A Nucleic acid (DNA or RNA) and a Capsid.
The large majority of bacteria in our body are harmful or helpful?
Helpful
How do many bacteria cells transport themselves?
With a flagella
What environments do archaea live in?
Extreme, hostile environments like hot springs as well as normal, ordinary places like oceans and swamps.
How do bacteria survive when extreme conditions present themselves, even for thousands of years?
They enclose themselves in a "time capsule" like structure called an endospore.
What is the protein coat that surrounds the DNA/RNA in a virus?
Capsid
It is thought that a single cup of soil contains more than how many bacterial cells?
Over 7 Billion
Bacteria have a slimy coating covering their cell walls called a...
Capsule
The main difference between cells in the Kingdom Archaea and Bacteria.
A lack of peptidoglycan in their cell walls.
Name 3 beneficial roles bacteria play for living organisms.
1. Help ruminants digest cellulose (eg. cows to digest grass)
2. Help humans remain healthy by aiding in proper digestion.
3. Play a role in the production of certain foods.
What does a virus require to replicate itself?
A Host
All of the microscopic bacterial, fungal, and viral cells inside your body are a part of your...
Microbiota
What are the small, circular strands of DNA that are found in some bacteria?
Plasmids
How did Bacteria become harmful to life?
Through the result of the Fall and original sin.
How quickly can one bacterium become two new bacteria via binary fission?
In 20 minutes
Why are viruses not considered alive according to cell theory?
They do not consist of cells and cannot reproduce on their own.