CCRI micro exam 2 Updated Exam 2026 WITH
Recent Newest Verified And Well Analyzed Exam
Questions (Actual Exam 2026-2027) Correct
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Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab
bench top, on the shelf of a 37° C incubator and on the shelf of a 50° C incubator. After
incubation, there was no growth at 37° C and 50° C, slight growth out on the bench top,
and abundant growth at refrigeration. What term could be used for this species? -
ANSWERS-psychrotroph
Most human diseases are caused these microorganisms - ANSWERS-mesophiles
A microorganism that does not have the enzymes catalase or superoxide dismutase
would find it difficult to live in an environment with - ANSWERS-oxygen
Which antibiotic binds to the 50s portion of the ribosome and inhibits the formation of
the peptide bond? - ANSWERS-chloramphenicol
Microorganisms living around deep sea hydrothermal vents are classified as -
ANSWERS-hyperthermophiles
Sulfanilamides inhibit - ANSWERS-enzyme function
Mesophiles grow best - ANSWERS-body temperature
Fungi are not affected by penicillin because they lack - ANSWERS-peptidoglycan in
their cell walls
, Competitive inhibitors stop enzyme action by binding to - ANSWERS-the active site of
the enzyme
Microorganisms that can live in the Dead Sea are classified as - ANSWERS-extreme
halophiles
When bacteria are placed in a hypotonic solution, what physiological process occurs? -
ANSWERS-osmotic lysis
Microorganisms that live in hot springs are - ANSWERS-hyperthermophiles
Microorganisms that use oxygen in lesser amounts than obligate aerobes are -
ANSWERS-microaerophiles
Chlorine and iodine are classified as - ANSWERS-halogens
Obligate aerobes can only live - ANSWERS-when oxygen is present
Microorganism found thriving in a the permafrost region of the Arctic are - ANSWERS-
pychrophiles
Facultative halophiles - ANSWERS-tolerate an elevated salt concentration in the
environment
Most bacteria prefer to grow at which pH range? - ANSWERS-Most bacteria prefer to
grow at which pH range?
The spectrophotometer is used in microbiology to - ANSWERS-indirectly measure
microbial growth
Recent Newest Verified And Well Analyzed Exam
Questions (Actual Exam 2026-2027) Correct
Detailed & Verified ANSWERS (100% Accurate
Solutions) ALREADY GRADED A+||NEWEST
VERSION Of The Exam Guarantee Pass!!
Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab
bench top, on the shelf of a 37° C incubator and on the shelf of a 50° C incubator. After
incubation, there was no growth at 37° C and 50° C, slight growth out on the bench top,
and abundant growth at refrigeration. What term could be used for this species? -
ANSWERS-psychrotroph
Most human diseases are caused these microorganisms - ANSWERS-mesophiles
A microorganism that does not have the enzymes catalase or superoxide dismutase
would find it difficult to live in an environment with - ANSWERS-oxygen
Which antibiotic binds to the 50s portion of the ribosome and inhibits the formation of
the peptide bond? - ANSWERS-chloramphenicol
Microorganisms living around deep sea hydrothermal vents are classified as -
ANSWERS-hyperthermophiles
Sulfanilamides inhibit - ANSWERS-enzyme function
Mesophiles grow best - ANSWERS-body temperature
Fungi are not affected by penicillin because they lack - ANSWERS-peptidoglycan in
their cell walls
, Competitive inhibitors stop enzyme action by binding to - ANSWERS-the active site of
the enzyme
Microorganisms that can live in the Dead Sea are classified as - ANSWERS-extreme
halophiles
When bacteria are placed in a hypotonic solution, what physiological process occurs? -
ANSWERS-osmotic lysis
Microorganisms that live in hot springs are - ANSWERS-hyperthermophiles
Microorganisms that use oxygen in lesser amounts than obligate aerobes are -
ANSWERS-microaerophiles
Chlorine and iodine are classified as - ANSWERS-halogens
Obligate aerobes can only live - ANSWERS-when oxygen is present
Microorganism found thriving in a the permafrost region of the Arctic are - ANSWERS-
pychrophiles
Facultative halophiles - ANSWERS-tolerate an elevated salt concentration in the
environment
Most bacteria prefer to grow at which pH range? - ANSWERS-Most bacteria prefer to
grow at which pH range?
The spectrophotometer is used in microbiology to - ANSWERS-indirectly measure
microbial growth
