bacteria and virus

Question 1

prokaryote

Answer 1

a microscopic single-celled organism that has neither a distinct nucleus with a membrane nor other specialized organelles.

Question 2

baccili

Answer 2

a taxonomic class of bacteria that includes two orders, Bacillales and Lactobacillales, which contain several well-known pathogens such as Bacillus anthracis.

Question 3

cocci

Answer 3

any spherical or roughly spherical bacterium.

Question 4

spirilla

Answer 4

a bacterium with a rigid spiral structure, found in stagnant water and sometimes causing disease.

Question 5

binary fission

Answer 5

the division of a single entity into two or more parts and the regeneration of those parts into separate entities resembling the original.

Question 6

endospore

Answer 6

a resistant asexual spore that develops inside some bacteria cells.

Question 7

nitrogen fixation

Answer 7

a process by which nitrogen in the Earth’s atmosphere is converted into ammonia or related nitrogenous compounds.

Question 8

bioremediation

Answer 8

a process used to treat contaminated media, including water, soil and subsurface material, by altering environmental conditions to stimulate growth of microorganisms and degrade the target pollutants.

Question 9

antibiotic

Answer 9

a type of antimicrobial substance active against bacteria and is the most important type of antibacterial agent for fighting bacterial infections.

Question 10

pathogenic bacteria

Answer 10

Pathogenic bacteria are bacteria that can cause disease

Question 11

virus

Answer 11

a biological agent that reproduces inside the cells of living hosts.

Question 12

host

Answer 12

an animal or plant on or in which a parasite or commensal organism lives.