True /False
Viruses are nonliving particles
True
What is one characteristic of Viruses
a. Cannot reproduce on their own
b. they are involved in recycling
c. Are living thing
Cannot reproduce on their own
What is a virus?
Viruses are nonliving particle that enters and them reproduces inside a living cell
Oxygen
oh-see-gen
Mention the name of 2 viruses
Influenza
Chicken pox
yellow Fever
Cold sore
Binary Fission is a process by which bacteria reproduce asexually
True
How are bacterial cells different from the cells of eukaryotes?
Bacteria are prokaryotes. Their genetic material is not contained within a nucleus.
What is a bacteria?
A single-celled organisms.
Spoilage
es-poi-leich
Complete the statement
Tiny structures called __________ produce proteins inside bacteria.
Ribosomes
All bacteria are harmful
False
How are viruses similar to parasites?
A parasite is an organism that needs a host, It causes harm to the host
What is an endospore?
It is a small rounded,thick walled resting cell that forms inside a bacterial cell.
Decomposers
di-com-pousers
What is Pasteurization?
It a method of slowing down food spoilage
Autotrophic bacteria release carbon dioxide into de air
False
Mention the structures of a virus
Protective protein coat
Genetic Material (DNA or RNA)
What are the steps of Binary Fission?
Bacterial cell duplicates its DNA and then divides into two identical cells.
Bacteriophage
Bac-tirio-feis
Bacteriophage is a virus or a bacteria?
Explain how interact with the living world
It is a type of virus that infects or kill bacteria.
Scientist use virus to make antibiotics
False
Mention the 6 main structures of a Bacteria.
Cell wall ribosomes
Cell membrane Flagellum
Genetic material
Cytoplasm
What is a vaccine?
It is a substance introduced in the body to help produce chemicals that destroy specific viruses.
Autotrophic
aa-to-tro-fik
Mention the five role of Bacteria in Nature.
Bacteria are involved in
Oxygen production
Food production
Health maintenance and medicine
environmental cleanup and recycling