MTSU Zamora Microbiology, test bank Questions With Complete Solutions
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MTSU Zamora Microbiology
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MTSU Zamora Microbiology
MTSU Zamora Microbiology, test bank Questions With Complete Solutions
.- ANSWER-2) This person developed an organic arsenical compound as an effective cure of syphilis: a)Erlich b) Henle Lister e) Waxman
.1 chromosome - ANSWER-Prokaryotes typically have
.10 hrs - ANSWER-a bacteria with a g...
MTSU Zamora Microbiology, test bank
Questions With Complete Solutions
.- ANSWER-2) This person developed an organic arsenical compound as an effective cure of syphilis:
a)Erlich b) Henle Lister e) Waxman
.1 chromosome - ANSWER-Prokaryotes typically have
.10 hrs - ANSWER-a bacteria with a generation time 30 mins will grow from a population of 1 cell to
1,000,000 in about how many hours
.3 nucleotides - ANSWER-a codon is made up of
.5-bromouracil - ANSWER-an example of a nitrogenous base analog
.6-mercaptopurine - ANSWER-an inhibitor of nucleotide biosyntheses
.7 - ANSWER-A cell with a díploid number of 14 chromosomes undergoes meiosis. The number of
chromosomes in each daughter cell is
.A ______ consists of diffuse unorganized polysaccharide material that lies outside the cell wall and is
easily removed - ANSWER-slime layer
.A bacteria with a generation time of 30 minutes will grow from a population of 100 cells to 100000 cells
in about how many hours. - ANSWER-5 hours
.A codon is made up of - ANSWER-3 nucleotides
.a dominant organelle in cells heavily involved in lipid production is the - ANSWER-smooth ER
,.a drug that blocks the function of a metabolic pathway is called - ANSWER-Growth analog factor
.A drug that blocks the function of a metabolic pathway is called - ANSWER-growth analog factor
.A growth medium that distinguishes among a different groups bacteria on the basis of their biological
characteristics - ANSWER-differential media
.A large aggregate of amoeboid cells tat move as a unit leaving a slime trail - ANSWER-
Pseudoplasmodium
.a large mass of protoplasm that exhibits amoeboid movement is - ANSWER-plasmodium
.A medium that contains ingredients of a precise chemical composition is called a - ANSWER-selective
media
.A medium that contains ingredients of unknown composition is called - ANSWER-complex media
.A microscope that converts slight difference in the refractive index and cell density into easily detected
variations in light density - ANSWER-Phase contrast microscope
.A nitrogenous base containing a double ring - ANSWER-Purine
.A nitrogenous base containing a single ring - ANSWER-Pyrimidine
.A non-protein molecule that can attach and detach from the protein part of an enzyme and is required
for normal enzyme function - ANSWER-coenzyme
.A period of two hours at 160 degrees Celsius is required for killing bacteria - ANSWER-in a hot oven
,.A phototrophic amoeba like organism that has flagellum for dispersal - ANSWER-Chlorachniophytes
.A process that divides organisms into two or more groups depending on their reactions to the same
staining procedure - ANSWER-differential staining
.A pure culture - ANSWER-Only has one type of organism growing on it
.A rigid layer that is composed of sugars and amino acids found in the cell wall of eubacteria is the -
ANSWER-peptidoglycan
.A rod shaped bacteria is called - ANSWER-bacillus
.A segment or sequence of a DNA molecule that codes fir a polypeptide, tRNA or rRNA - ANSWER-gene
.A sterilizer that employs superheated steam under pressure is called an - ANSWER-Autoclave
.A substance that has been pasteurized - ANSWER-is not considered sterile
.A term describing molecules or regions of molecules that readily interact with water - ANSWER-
hydrophilic
.A type of reaction that requires energy to be supplied from the surrounding environment - ANSWER-
endergonic
.a viroid - ANSWER-potato spindle tuber disease is caused by
.a) 14 - ANSWER-A cell with a diploid number of 14 chromosomes undergoes mitosis. The number of
chromosomes in each daughter cell is: a) 14 b) 7 c) 28 d)21
.a) can make their own DNA and proteins
, b) have circular DNA - ANSWER-Mitochondria and chloroplasts are different from other organelles in
that the mitochondria and chloroplast
.a) Koch's postulates - ANSWER-a set of statements describing what is needed to establish the link
between a particular microorganism and a particular disease a) Koch's postulates b) theory of
spontaneous generation law of segregation d) first law of thermodynamics e) Hanlon's razor
.a) nucleoid - ANSWER-5: Bacteria have a region of the cytoplasm that contains the chromosome. This
region is called the: a) nucleoid b) plasmid c) protoplast d) nucleus e) mesosome
.a) polar - ANSWER-A single Ragellum at one pole of a bacterium is called: a) polar blophotrichous c)
penitrichous d) amphitrichous
.a) shadow casting - ANSWER-Technique using heavy metais to stain specimens at an angle
approximately 45 from the horizontal that provides a 3 dimensional image similar to shadowing with
light: a) shadow casting b) fixation c) freeze etching d) thin sectioning e) negative staining
.a) sporulation - ANSWER-The process through which endospores are formed from vegetative cells is
called: a) sporulation b) germination c) chemotaxis d) osmosis
.activation energy - ANSWER-energy required to bring all molecules in the proper way to reach the
transition state is called
.Activities of chemotherapeutic agent that damage the host - ANSWER-side effects
.Aerobic respiration involves - ANSWER-Glycolysis, the Krebs cycle, the electron transport chain
.Agaricus campestris - ANSWER-An example of a Basidiomycete
.Agents that inhibit growth but, do not kill infectious organisms are not useful as chemotherapeutic
agents; True or False - ANSWER-False
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