Viruses, Bacteria, Protists, and Fungi Test Review Flashcards
(41 cards)
Viruses are (living, non-living) and (can, cannot) reproduce on their own
nonliving, cannot
Why are viruses not considered to be living things?
They lack most of the characteristics of living things
The average virus is quite (big, small) when compared to cells
small
Know that viruses can cause or help to prevent and treat disease
OK
What helps the body produce chemicals that prevent viruses?
Vaccines
What is a virus?
A tiny particle that enters and then reproduces inside a living cell
What is a host?
The organism that a virus enters and multiplies inside of
What is a parasite?
An organism that lives on or in another organism and causes it harm
What is a vaccine?
A substance induced in the body to help produce chemicals that destroy specific viruses
What is a virus made up of?
Inner core (DNA) and a protein coat
Know that some bacteria consume other organisms on the food of other organisms
OK
What do ribosomes do?
Produce proteins
Scientists use bacteria to make ____________
medicines
What do autotrophic bacteria release into the air?
oxygen
What is pasteurization?
A method of slowing down food spoilage
Are bacteria prokaryotes of eukaryotes?
prokaryotes
Know that bacteria live almost everywhere, including the ocean and in the human body
OK
Know that some get energy by eating other organisms
OK
Do ALL bacteria reproduce asexually?
No, some do
Are ALL bacteria harmful to humans?
No most are harmless or helpful to people
Be able to label a bacterial cell with the following structures: DNA, capsule, flagella, pili, cytoplasm, ribosomes
Check study guide for example of cell
What type of protist produces oxygen
algae
How do they produce oxygen
Use pigments to capture the Sun’s energy
What is the characteristic that makes animal-like protists like animals?
They can MOVE to get food