Microbiology Final Exam Questions
and Accurate Answers 2025-2026
Updated.
What is found in ALL prokaryotic organisms? - Answer Ribosomes
What is the best description of the log phase of a bacterial growth curve? - Answer
Populations double under optimum conditions
Through feedback inhibition a noncompetitive inhibitor of enzyme activity would... - Answer
Bind to the allosteric site of the enzyme and stop the reaction
Yeast infections such as thrush are caused by what? - Answer Candida albicans
The outer protein coat of a simple virus particle is called? - Answer Capsid
In the disease cycle of animal viruses(Lysogenic), uncoating takes place between which two
stages? - Answer Penetration and biosynthesis
What would be used to sterilize disposable prepackaged gloves? - Answer Gamma
Which type of hepatitis might you acquire by eating raw tomatoes or green onions at a
restaurant? - Answer Hepatitis A
The bacteria that causes meningitis usually attach and multiply in this area of the body - Answer
Upper respiratory system
Helper T cells... - Answer Function in both humoral and cell-mediated immune function
activation
The function of chemical substances such as histamine and leukotrienes would be - Answer
To stimulate inflammation
A cell is said to be _______________ when its cell wall is permeable to foreign DNA - Answer
Competent
, An enzyme that assembles free nucleotides to make a molecule of RNA is - Answer RNA
polymerase
What do Rickettsias and Chlamydias have in common with viruses? - Answer They are both
obligated to live inside of a host cell
Who discovered penicillin? - Answer Alexander Flemming
What is the difference between fimbriae and pili? - Answer Pili is involved in bacterial
sex(conjugation), whereas fimbriae is just for attachment
New strains of the flu are made through _______________ _______________. - Answer
Antigenic shifts
Prokaryotic ribosome subunits = - Answer 50 + 30 = 70
Eukaryotic ribosome subunits = - Answer 60 + 40 = 80
Fermenters - Answer Homolactic, Alcohol, Ethanol
The prefix for fungi is - Answer Myco-
could be used in the word Mycology (the study of fungi) or Mycoses (a fungi-related disease)
Endotoxin - Answer Gram negative
Exotoxin - Answer Gram positive
Lytic - Answer The virus hijacks the cell and then destroys it
Lysogenic - Answer The virus integrates itself into the DNA and stays there indefinitely
What is the least effective antibiotic? - Answer Penicillin
What does betalactimase do? - Answer Creates resistance to penicillin
Chlamydia has _____________ bodies - Answer elementary
and Accurate Answers 2025-2026
Updated.
What is found in ALL prokaryotic organisms? - Answer Ribosomes
What is the best description of the log phase of a bacterial growth curve? - Answer
Populations double under optimum conditions
Through feedback inhibition a noncompetitive inhibitor of enzyme activity would... - Answer
Bind to the allosteric site of the enzyme and stop the reaction
Yeast infections such as thrush are caused by what? - Answer Candida albicans
The outer protein coat of a simple virus particle is called? - Answer Capsid
In the disease cycle of animal viruses(Lysogenic), uncoating takes place between which two
stages? - Answer Penetration and biosynthesis
What would be used to sterilize disposable prepackaged gloves? - Answer Gamma
Which type of hepatitis might you acquire by eating raw tomatoes or green onions at a
restaurant? - Answer Hepatitis A
The bacteria that causes meningitis usually attach and multiply in this area of the body - Answer
Upper respiratory system
Helper T cells... - Answer Function in both humoral and cell-mediated immune function
activation
The function of chemical substances such as histamine and leukotrienes would be - Answer
To stimulate inflammation
A cell is said to be _______________ when its cell wall is permeable to foreign DNA - Answer
Competent
, An enzyme that assembles free nucleotides to make a molecule of RNA is - Answer RNA
polymerase
What do Rickettsias and Chlamydias have in common with viruses? - Answer They are both
obligated to live inside of a host cell
Who discovered penicillin? - Answer Alexander Flemming
What is the difference between fimbriae and pili? - Answer Pili is involved in bacterial
sex(conjugation), whereas fimbriae is just for attachment
New strains of the flu are made through _______________ _______________. - Answer
Antigenic shifts
Prokaryotic ribosome subunits = - Answer 50 + 30 = 70
Eukaryotic ribosome subunits = - Answer 60 + 40 = 80
Fermenters - Answer Homolactic, Alcohol, Ethanol
The prefix for fungi is - Answer Myco-
could be used in the word Mycology (the study of fungi) or Mycoses (a fungi-related disease)
Endotoxin - Answer Gram negative
Exotoxin - Answer Gram positive
Lytic - Answer The virus hijacks the cell and then destroys it
Lysogenic - Answer The virus integrates itself into the DNA and stays there indefinitely
What is the least effective antibiotic? - Answer Penicillin
What does betalactimase do? - Answer Creates resistance to penicillin
Chlamydia has _____________ bodies - Answer elementary
