Bios 2210 final exam With Correct Questions And
Answers 2024
______ are microorganisms that are not included in phylogenetic trees because they are acellular. -
ANSWER-Viruses
.1. During what time period or who was involved with the research that began to determine which
germs cause human diseases. - ANSWER-1800s-1900s Koch
.A __________ bond is the electrostatic attraction between two polar groups that occurs when a
hydrogen (H) atom covalently bound to a highly electronegative atom such as nitrogen (N) or oxygen
(O) experiences the electrostatic field of another highly electronegative atom nearby. Shown here and
designated by the #1 in the above image. - ANSWER-hydrogen bonds
.A "clean catch" ( wiping with an antiseptic wipe before urinating in a sample cup) is needed when
collecting a urine sample because__________________________________. - ANSWER-males and
females have normal reproductive microbiota that could contaminate the sample
.A microbe that grows optimally at body temperature is likely a ______________ - ANSWER-
mesophile
.A natural killer cell - ANSWER-recognizes abnormal cells, binds to them, and releases perforin and
granzyme molecules, which induce apoptosis
.A patient has a skin infection that spreads and goes from superficial to systemic, what type of
exoenzyme is this pathogenic organism most likely to have? - ANSWER-Collagenase
.A three step process of Glycolysis, Citric Acid Cycle and Electron Transport Chain all results in many
ATP with the use of oxygen is known as ____________________________ - ANSWER-Aerobic Cellular
Respiration
, .An Archaean ( Archaea microorganism)_______________________________________. - ANSWER-
Could have pseudopeptidogylcan in their cell wall.
.An attenuated vaccine contains______ _______________________. - ANSWER-living, but less virulent
pathogens
.An operon and a regulatory gene work together to control gene expression of the structural genes,
the Lac operon is an example. - ANSWER-true
.Bacteria can become resistant to penicillin by producing the enzyme to prevent the antibiotic from
targeting . - ANSWER-Beta-lactamase; cell wall
.Bacteria reproduce by - ANSWER-Binary fission
.Bacterial species that can produce the enzymes called catalase and SOD are categorized as
_________________ in terms of their ability to use of oxygen for metabolism - ANSWER-aerobes
.Bonnie Basler's work with Vibrio and the Bobtail Squid is a model of how " bacteria produce and
release chemical signal molecules called autoinducers that increase in concentration as a function of
cell density" is known as ____________________________. - ANSWER-quorum sensing
.Cell shape is partially determined by the bacterial cytoskeleton filaments, and if the cell is spherical
and divides so that it sticks together in long chains, it would be termed (choose one) - ANSWER-
Streptococci
.Cholera is a viral infection. - ANSWER-false
.Cholera is most closely associated with the following term or word - ANSWER-Vibrio
.Choose following microorganism which is known to cause "Strep throat": - ANSWER-Streptococcus
pyogenes
Answers 2024
______ are microorganisms that are not included in phylogenetic trees because they are acellular. -
ANSWER-Viruses
.1. During what time period or who was involved with the research that began to determine which
germs cause human diseases. - ANSWER-1800s-1900s Koch
.A __________ bond is the electrostatic attraction between two polar groups that occurs when a
hydrogen (H) atom covalently bound to a highly electronegative atom such as nitrogen (N) or oxygen
(O) experiences the electrostatic field of another highly electronegative atom nearby. Shown here and
designated by the #1 in the above image. - ANSWER-hydrogen bonds
.A "clean catch" ( wiping with an antiseptic wipe before urinating in a sample cup) is needed when
collecting a urine sample because__________________________________. - ANSWER-males and
females have normal reproductive microbiota that could contaminate the sample
.A microbe that grows optimally at body temperature is likely a ______________ - ANSWER-
mesophile
.A natural killer cell - ANSWER-recognizes abnormal cells, binds to them, and releases perforin and
granzyme molecules, which induce apoptosis
.A patient has a skin infection that spreads and goes from superficial to systemic, what type of
exoenzyme is this pathogenic organism most likely to have? - ANSWER-Collagenase
.A three step process of Glycolysis, Citric Acid Cycle and Electron Transport Chain all results in many
ATP with the use of oxygen is known as ____________________________ - ANSWER-Aerobic Cellular
Respiration
, .An Archaean ( Archaea microorganism)_______________________________________. - ANSWER-
Could have pseudopeptidogylcan in their cell wall.
.An attenuated vaccine contains______ _______________________. - ANSWER-living, but less virulent
pathogens
.An operon and a regulatory gene work together to control gene expression of the structural genes,
the Lac operon is an example. - ANSWER-true
.Bacteria can become resistant to penicillin by producing the enzyme to prevent the antibiotic from
targeting . - ANSWER-Beta-lactamase; cell wall
.Bacteria reproduce by - ANSWER-Binary fission
.Bacterial species that can produce the enzymes called catalase and SOD are categorized as
_________________ in terms of their ability to use of oxygen for metabolism - ANSWER-aerobes
.Bonnie Basler's work with Vibrio and the Bobtail Squid is a model of how " bacteria produce and
release chemical signal molecules called autoinducers that increase in concentration as a function of
cell density" is known as ____________________________. - ANSWER-quorum sensing
.Cell shape is partially determined by the bacterial cytoskeleton filaments, and if the cell is spherical
and divides so that it sticks together in long chains, it would be termed (choose one) - ANSWER-
Streptococci
.Cholera is a viral infection. - ANSWER-false
.Cholera is most closely associated with the following term or word - ANSWER-Vibrio
.Choose following microorganism which is known to cause "Strep throat": - ANSWER-Streptococcus
pyogenes
