bacteria and virus vocab cards

Question 1

Prokaryote

Answer 1

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

Question 2

Bacilli

Answer 2

Bacilli is a taxonomic class of bacteria that includes two orders, Bacillales and Lactobacillales, which contain several well-known pathogens such as Bacillus anthracis. Bacilli are almost exclusively gram-positive bacteria. The name Bacillus, capitalized and italicized, refers to a specific genus of bacteria.

Question 3

Cocci

Answer 3

A coccus is any bacterium or archaeon that has a spherical, ovoid, or generally round shape. Bacteria are categorized based on their shapes into three classes: cocci, bacillus and spirochetes cells. Coccus refers to the shape of the bacteria, and can contain multiple genera, such as staphylococci or streptococci.

Question 4

Spirilla

Answer 4

A spirillum (plural spirilla) is a rigid spiral bacterium that is Gram-negative and frequently has external amphitrichous or lophotrichous flagella. Examples include: Members of the genus Spirillum. Campylobacter species, such as Campylobacter jejuni, a foodborne pathogen that causes campylobacteriosis.

Question 5

Nitrogen fixation

Answer 5

Nitrogen fixation is a process by which molecular nitrogen in the air is converted into ammonia or related nitrogenous compounds in soil. Atmospheric nitrogen is molecular dinitrogen, a relatively nonreactive molecule that is metabolically useless to all but a few microorganisms

Question 6

Bioremediation

Answer 6

the biological treatment of hazardous waste by living organisms

Question 7

Antibiotic

Answer 7

medicine used to kill bacteria and other microorganisms

Question 8

Pathogenic bacteria

Answer 8

bacteria that causes disease

Question 9

Virus

Answer 9

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

Question 10

Host

Answer 10

an orgnisms from which a parasite takes food or shelters