UF MCB 3020 Exam 4 (Exam 4 mcgraw hill connect
questions MCB 3020 Bacusmo University of Florida. Fall
2026) Questions With Complete Solutions
_______ are the leading cause of healthcare-associated diseases.
Correct Answers Bacteria
A _________ epidemic is characterized by a sharp rise to a peak
then a rapid, but not as pronounced, decline in the number of
individuals infected. Correct Answers common-source
A _________blank mutation does not alter the amino acid
sequence of the resulting protein. Correct Answers Silent
A microbe is discovered living in an extreme environment near a
deep sea vent. The microorganism lacks a nucleus and
peptidoglycan in its cell wall, but it does have unusual
membrane lipids. This species is most likely a member of the
Domain _________ Correct Answers Archaea
A(n) _______ is an increase in disease occurrence within a large
population over a very wide region (usually the world). Correct
Answers pandemic
Above 100°C (212°F) most bacteria _________ Correct
Answers are destroyed
All of the following are responsible for food safety EXCEPT
_______. Correct Answers There are no exceptions here. All
parties listed are responsible.
, All of the following statements about the periplasmic space are
true except _________
a minimal periplasmic space may be observed between the
plasma membrane and the peptidoglycan in some Gram-positive
bacteria
it is located between the plasma membrane and outer membrane
of Gram-negative bacteria
it contains hydrolytic enzymes and binding proteins involved in
nutrient acquisition
it is found only in Gram-positive bacteria Correct Answers it is
found only in Gram-positive bacteria
An external structure unique to archaea are the _________
Correct Answers cannulae
Antiseptic surgery was pioneered by _________ Correct
Answers Joseph Lister
At freezing temperatures, most bacteria _________ Correct
Answers stop growing, but are not dead
Bacteria within biofilms exchange _________
plasmids
nutrients
quorum-sensing molecules
questions MCB 3020 Bacusmo University of Florida. Fall
2026) Questions With Complete Solutions
_______ are the leading cause of healthcare-associated diseases.
Correct Answers Bacteria
A _________ epidemic is characterized by a sharp rise to a peak
then a rapid, but not as pronounced, decline in the number of
individuals infected. Correct Answers common-source
A _________blank mutation does not alter the amino acid
sequence of the resulting protein. Correct Answers Silent
A microbe is discovered living in an extreme environment near a
deep sea vent. The microorganism lacks a nucleus and
peptidoglycan in its cell wall, but it does have unusual
membrane lipids. This species is most likely a member of the
Domain _________ Correct Answers Archaea
A(n) _______ is an increase in disease occurrence within a large
population over a very wide region (usually the world). Correct
Answers pandemic
Above 100°C (212°F) most bacteria _________ Correct
Answers are destroyed
All of the following are responsible for food safety EXCEPT
_______. Correct Answers There are no exceptions here. All
parties listed are responsible.
, All of the following statements about the periplasmic space are
true except _________
a minimal periplasmic space may be observed between the
plasma membrane and the peptidoglycan in some Gram-positive
bacteria
it is located between the plasma membrane and outer membrane
of Gram-negative bacteria
it contains hydrolytic enzymes and binding proteins involved in
nutrient acquisition
it is found only in Gram-positive bacteria Correct Answers it is
found only in Gram-positive bacteria
An external structure unique to archaea are the _________
Correct Answers cannulae
Antiseptic surgery was pioneered by _________ Correct
Answers Joseph Lister
At freezing temperatures, most bacteria _________ Correct
Answers stop growing, but are not dead
Bacteria within biofilms exchange _________
plasmids
nutrients
quorum-sensing molecules
