Chapter 1 Microbiology FINAL
EXAM REVIEW WITH EXAM
QUESTIONS AND CORRECT
ANSWERS||100% GUARNTEED
PASS||UPDATED 2025/2026
SYLLABUS||<<NEWEST
VERSION>>
Cell wall - ANSWER ✓ known as murein layer or peptidoglycan, provides
stability and strength
Gram pos - ANSWER ✓ thicker peptidoglycan layer, techoic acid and lipotechoic
acids
Techoic acid - ANSWER ✓ play role in virulence
Lipotechoic acids - ANSWER ✓ aid in attachment of organism to host receptors
Gram neg - ANSWER ✓ Thinner peptidoglycan layer
Cellular Metabolism - ANSWER ✓ associated with disease and used in
biochemical identification
Nutrients enter through: - ANSWER ✓ diffusion and active transport
diffusion - ANSWER ✓ water, O2, and CO2 cross across the cell membrane
Active transport - ANSWER ✓ move other molecules such as organic acids,
amino acids, and inorganic ions
, Fermentative processes - ANSWER ✓ do not require O2
Aerobic respiration (obligate aerobes) - ANSWER ✓ require O2 for growth
Anaerobic respiration (obligate anaerobes) - ANSWER ✓ cannot tolerate any O2
Facultative anaerobes - ANSWER ✓ can use aerobic respiration or fermentative
processes
Exotoxins - ANSWER ✓ gram-pos, not associated with fever, may be
extracellular enzymes
Endotoxins - ANSWER ✓ gram-neg (LPS), capable of inducing fever
Toxins - ANSWER ✓ Endo and exotoxins
Infection - ANSWER ✓ entrance and multiplication of a microorganism in or on a
host
Infectious disease - ANSWER ✓ infection with functional and structural harm to
the host
Colonization - ANSWER ✓ state in which microbe has established itself in the
body
Pathogens - ANSWER ✓ microorganism capable of causing infectious disease
true pathogen - ANSWER ✓ ability to cause an infection under all conditions in
all types of individuals
opportunistic pathogen - ANSWER ✓ attacks an already debilitated host but
usually causes no harm to a healthy individual
immunosuppression - ANSWER ✓ individual is unable ti effectively battle
microorganisms considered to be normal flora
EXAM REVIEW WITH EXAM
QUESTIONS AND CORRECT
ANSWERS||100% GUARNTEED
PASS||UPDATED 2025/2026
SYLLABUS||<<NEWEST
VERSION>>
Cell wall - ANSWER ✓ known as murein layer or peptidoglycan, provides
stability and strength
Gram pos - ANSWER ✓ thicker peptidoglycan layer, techoic acid and lipotechoic
acids
Techoic acid - ANSWER ✓ play role in virulence
Lipotechoic acids - ANSWER ✓ aid in attachment of organism to host receptors
Gram neg - ANSWER ✓ Thinner peptidoglycan layer
Cellular Metabolism - ANSWER ✓ associated with disease and used in
biochemical identification
Nutrients enter through: - ANSWER ✓ diffusion and active transport
diffusion - ANSWER ✓ water, O2, and CO2 cross across the cell membrane
Active transport - ANSWER ✓ move other molecules such as organic acids,
amino acids, and inorganic ions
, Fermentative processes - ANSWER ✓ do not require O2
Aerobic respiration (obligate aerobes) - ANSWER ✓ require O2 for growth
Anaerobic respiration (obligate anaerobes) - ANSWER ✓ cannot tolerate any O2
Facultative anaerobes - ANSWER ✓ can use aerobic respiration or fermentative
processes
Exotoxins - ANSWER ✓ gram-pos, not associated with fever, may be
extracellular enzymes
Endotoxins - ANSWER ✓ gram-neg (LPS), capable of inducing fever
Toxins - ANSWER ✓ Endo and exotoxins
Infection - ANSWER ✓ entrance and multiplication of a microorganism in or on a
host
Infectious disease - ANSWER ✓ infection with functional and structural harm to
the host
Colonization - ANSWER ✓ state in which microbe has established itself in the
body
Pathogens - ANSWER ✓ microorganism capable of causing infectious disease
true pathogen - ANSWER ✓ ability to cause an infection under all conditions in
all types of individuals
opportunistic pathogen - ANSWER ✓ attacks an already debilitated host but
usually causes no harm to a healthy individual
immunosuppression - ANSWER ✓ individual is unable ti effectively battle
microorganisms considered to be normal flora
