bacteria and viruses

Question 1

what is a prokaryote

Answer 1

an organism that consists of a single cell that does not have a nucleus

Question 2

binary fission

Answer 2

a form of asexual reproduction in single-celled organisms by which one cell divides into two cells of the same size.

Question 3

endospore

Answer 3

a thick walled protective spore that forms inside a bacteria cell and resists harsh conditions

Question 4

bacilli

Answer 4

are rod shaped. they have a large surface area which helps them take in nutrients but a large surface area can cause them to dry out easily

Question 5

cocci

Answer 5

are spherical they don’t dry out as quickly as bacilli

Question 6

spirilla

Answer 6

are long and spiral shaped they use flagella at both ends to move like a corkscrew

Question 7

bioremeditation

Answer 7

the biological treatment of hazardous waste by living orgnisms

Question 8

antibiotic

Answer 8

medicine used to kill bacteria and other microorganisms

Question 9

pathogenic bacteria

Answer 9

bacteria that cause diseases

Question 10

virus

Answer 10

a microscopic particle that gets inside a cell and often destroys the cell

Question 11

host

Answer 11

an organism from which a parasite takes food or shelter

Question 12

Nitrogen fixation

Answer 12

the chemical processes by which atmospheric nitrogen is assimilated into organic compounds, especially by certain microorganisms as part of the nitrogen cycle.