MCB 2000 Microbiology Mid-Term Chapters 1, 3, 4, 5, 6
and 7 Questions With Complete Solutions
A scientist studying the sequence of nucleotides in the rRNA of
a bacterial species is working on ________.
bioremediation
nomenclature
determining evolutionary relatedness
recombinant DNA
determining if that species is the cause of a new disease Correct
Answers determining evolutionary relatedness
Adulthood and mating of helminths occur in which host?
Primary host
Secondary host
Definitive host
Transport host
Mating takes place in all hosts. Correct Answers Definitive host
All of the following are helminths except _____.
flukes
trypanosomes
tapeworms
pinworms
roundworms Correct Answers trypanosomes
All of the following are lipids except _____.
,cholesterol
triglyceride
phospholipid
wax
starch Correct Answers starch
All of the following are polysaccharides except:
agar used to make solid culture media.
cellulose in certain cell walls.
prostaglandins in inflammation.
glycogen in liver and muscle.
a cell's glycocalyx. Correct Answers prostaglandins in
inflammation.
Amoebiasis (amoebic dysentery) is most commonly contracted
through the ________.
fecal-oral route from contaminated food or water
direct transmission from one host to another
puncture wounds
insect bites
None of the choices are correct. Correct Answers fecal-oral
route from contaminated food or water
An organelle that is a stack of flattened, membranous sacs and
functions to receive, modify, and package proteins for cell
secretion is the ________.
mitochondria
lysosome
, Golgi apparatus
chloroplast
endoplasmic reticulum Correct Answers Golgi apparatus
Characteristics shared by all cells include:
a membrane serving as a cell boundary.
the possession of genetic information.
the presence of cellular fluid.
All of these choices are correct. Correct Answers All of these
choices are correct.
Chitin is a chemical component of the cell walls of _____.
protozoa
algae
fungi
bacteria
All of the choices are correct. Correct Answers fungi
Disease-causing microorganisms are called _____.
pathogens
fermenters
eukaryotes
decomposers
prokaryotes Correct Answers pathogens
Eukaryotic cell membranes contain large lipid molecules called
sterols, whereas prokaryotic membranes lack sterols. One
and 7 Questions With Complete Solutions
A scientist studying the sequence of nucleotides in the rRNA of
a bacterial species is working on ________.
bioremediation
nomenclature
determining evolutionary relatedness
recombinant DNA
determining if that species is the cause of a new disease Correct
Answers determining evolutionary relatedness
Adulthood and mating of helminths occur in which host?
Primary host
Secondary host
Definitive host
Transport host
Mating takes place in all hosts. Correct Answers Definitive host
All of the following are helminths except _____.
flukes
trypanosomes
tapeworms
pinworms
roundworms Correct Answers trypanosomes
All of the following are lipids except _____.
,cholesterol
triglyceride
phospholipid
wax
starch Correct Answers starch
All of the following are polysaccharides except:
agar used to make solid culture media.
cellulose in certain cell walls.
prostaglandins in inflammation.
glycogen in liver and muscle.
a cell's glycocalyx. Correct Answers prostaglandins in
inflammation.
Amoebiasis (amoebic dysentery) is most commonly contracted
through the ________.
fecal-oral route from contaminated food or water
direct transmission from one host to another
puncture wounds
insect bites
None of the choices are correct. Correct Answers fecal-oral
route from contaminated food or water
An organelle that is a stack of flattened, membranous sacs and
functions to receive, modify, and package proteins for cell
secretion is the ________.
mitochondria
lysosome
, Golgi apparatus
chloroplast
endoplasmic reticulum Correct Answers Golgi apparatus
Characteristics shared by all cells include:
a membrane serving as a cell boundary.
the possession of genetic information.
the presence of cellular fluid.
All of these choices are correct. Correct Answers All of these
choices are correct.
Chitin is a chemical component of the cell walls of _____.
protozoa
algae
fungi
bacteria
All of the choices are correct. Correct Answers fungi
Disease-causing microorganisms are called _____.
pathogens
fermenters
eukaryotes
decomposers
prokaryotes Correct Answers pathogens
Eukaryotic cell membranes contain large lipid molecules called
sterols, whereas prokaryotic membranes lack sterols. One
