MIDTERM 1

Question 1

refers to the classification and grouping of organisms

Answer 1

TAXONOMY

Question 2

Taxonomy is based on ______ (genetic) and ______ (observable) similarities & differences

Answer 2

genotypic (genetic) and phenotypic (observable)

Question 2

provides naming assignments for each organism

Answer 2

Nomenclature

Question 3

Genus name + Species name refers to __________

Answer 3

Binomial system

Question 3

Family name is capitalized and ends with______

Answer 3

–aceae

Question 3

both genus & species should be
______ and ___________

Answer 3

italicized in print;
underlined in script

Question 4

To abbreviate Genus Name, use _________ followed by a period then add species

Answer 4

capitalized first letter of the genus

Question 4

literally means “living together”

Answer 4

Symbiosis

Question 4

involve protection or other advantages to one or both partners

Answer 4

Symbiosis

Question 4

To abbreviate “species”, use ____ (singular) or ____ (plural)

Answer 4

sp (singular) or spp (plural)

Question 4

_______ is the potential ability to produce disease

Answer 4

pathogenecity

Question 4

a symbiotic relationship in which the host is injured through theactivities of the other

Answer 4

Parasitism

Question 4

“eating on the same table”

Answer 4

Commensalism

Question 4

type of commensalism where association are beneficial to both organisms

Answer 4

Mutualism

Question 5

association that is beneficial to one partner & at least not
advantageous to the other

Answer 5

Commensalism

Question 5

grow in the presence or absence of oxygen; most pathogenic bacteria

Answer 5

Facultative anaerobes

Question 6

Obligate anaerobes grow maximally at O2 concentration of less than ______

Answer 6

0.5% to 3%

Question 6

bacteria present in the body which does not cause a disease

Answer 6

normal flora

Question 6

bacteria which can cause a disease

Answer 6

Pathogenic

Question 6

require oxygen for growth

Answer 6

Obligate aerobes

Question 7

_____ is the disease producing power of an organism

Answer 7

virulence

Question 7

By Gram Staining, All Cocci are Gram Positive except _______

Answer 7

neisseria

Question 7

are killed by O2 ; grow maximally at O2 concentration of less than 0.5% to 3%

Answer 7

Obligate anaerobes

Question 7

By Gram Staining, All Bacili are Gram Negative except ______

Answer 7

mycobacterium

Question 7

use fermentation; can tolerate low amounts of oxygen because they have superoxide dismutase

Answer 7

Microaerophilic bacteria (aerotolerant anaerobes)

Question 7

plural of genus is _______

Answer 7

genera

Question 7

Genus name followed by the word “______” may be used to refer to genus as a whole

Answer 7

“species”

Question 7

Species name mut all in _____

Answer 7

lowercase

Question 7

Genus name must be capitalized _____

Answer 7

first letter