(QUIZZES) WITH 195 QUESTIONS AND
CORRECT ANSWERS RATED A+
Who is credited with developing a vaccine against chicken cholera?
a. Koch
b. Pasteur
c. Jenner
d. Lister
b. Pasteur
The concept that living organisms arise from nonliving material is called...
a. biogenesis
b. cell theory
c. spontaneous generation
d. germ theory
c. spontaneous generation
Protists contain all of the following forms of life EXCEPT...
a. protozoa
b. fungi
c. slime molds
d. algae
b. fungi
Who of the following first discovered that some blood leukocytes could engulf
disease-causing bacteria?
a. von Behring
b. Meister
,c. Metchnikoff
d. Ivanowski
c. Metchnikoff
Acid-fast organisms such as Mycobacterium tuberculosis contain lipids
constructed from ________________in their cell walls.
a. proteins
b. carbohydrates
c. mycolic acids
d. peptidoglycan
c. mycolic acids
Studies by Emil von Behring and Shibasaburo Kitasato demonstrated that
inactivated toxins can induce the synthesis of antitoxins in the blood of rabbits.
These antitoxins (antibodies) are the basis of...
a. humoral immunity
b. cell-mediated immunity
c. antibiotic immunity
d. phagocyte-mediated immunity
a. humoral immunity
Fatty acid methyl ester (FAME) analysis is particularly important in public health
because in this application, microbiologists seek to identify specific microbial
pathogens in ______.
a. food and water
b. patient samples
c. genomic analysis
d. genetic diseases
a. food and water
, Genomic DNA sequences seem to support the idea that the first eukaryotic cell
arose from within the _____ lineage.
a. archaeal
b. bacterial
c. viral
d. last universal common ancestor (LUCA)
a. archaeal
An unrooted tree containing four unrelated species can become rooted by adding
a. a descendant group related to two of the species.
b. an unrelated outgroup.
c. a distantly related outgroup.
d. a descendant related to only one of the species.
c. a distantly related outgroup.
A general term used to describe groups based on mutual similarity or
evolutionary relatedness is ______.
a. class
b. taxa
c. system
d. group
b. taxa
The temperature at which half of the strands of a double-stranded DNA molecule
have separated from each other is called the __________ temperature.
a. separation
b. melting
c. destabilizing
d. mobilization
b. melting