bacteria and viruses

Question 1

prokaryote

Answer 1

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

Question 2

Bacilli

Answer 2

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 3

cocci

Answer 3

are spherical. they do not dry out as quickly as rod-shaped bacteria.

Question 4

spirilla

Answer 4

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

Question 5

binary fission

Answer 5

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

Question 6

endospore

Answer 6

a thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions.

Question 7

bioremediation

Answer 7

the biological treatment of hazardous waste by living organisms.

Question 8

antibiotic

Answer 8

medicine used to kill bacteria and other microorganisms

Question 9

pathogenic bacteria

Answer 9

bacteria that cause disease

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.