Bacteria and Virus

Question 1

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

Answer 1

prokaryote

Question 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

Answer 2

bacilli

Question 3

Are long and spiral-shaped, they use flagella at both ends to move like a corkscrew

Answer 3

spirilla

Question 4

Are spherical, they do not dry out as quickly as rod-shaped bacteria

Answer 4

cocci

Question 5

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

Answer 5

binary fission

Question 6

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

Answer 6

endospore

Question 7

bacteria in the soil and in nodules on some roots change the nitrogen into a form plants can use

Answer 7

nitrogen fixation

Question 8

the biological treatment of hazardous waste by living organisms

Answer 8

bioremediation

Question 9

medicine used to kill bacteria and other microorganisms

Answer 9

antibiotic

Question 10

bacteria that cause disease

Answer 10

pathogenic bacteria

Question 11

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

Answer 11

virus

Question 12

an organism from which a parasite takes food or shelter

Answer 12

host