Microbiology Final Exam Questions
And All Solutions Correct| Vol 26
Update
What is found in ALL prokaryotic organisms? - Ans--Ribosomes
What is the best description of the log phase of a bacterial growth curve? -
Ans--Populations double under optimum conditions
Through feedback inhibition a noncompetitive inhibitor of enzyme activity
would... - Ans--Bind to the allosteric site of the enzyme and stop the reaction
Yeast infections such as thrush are caused by what? - Ans--Candida
albicans
The outer protein coat of a simple virus particle is called? - Ans--Capsid
In the disease cycle of animal viruses(Lysogenic), uncoating takes place
between which two stages? - Ans--Penetration and biosynthesis
What would be used to sterilize disposable prepackaged gloves? - Ans--
Gamma
Which type of hepatitis might you acquire by eating raw tomatoes or green
onions at a restaurant? - Ans--Hepatitis A
The bacteria that causes meningitis usually attach and multiply in this area
of the body - Ans--Upper respiratory system
Helper T cells... - Ans--Function in both humoral and cell-mediated immune
function activation
The function of chemical substances such as histamine and leukotrienes
would be - Ans--To stimulate inflammation
, A cell is said to be _______________ when its cell wall is permeable to
foreign DNA - Ans--Competent
An enzyme that assembles free nucleotides to make a molecule of RNA is -
Ans--RNA polymerase
What do Rickettsias and Chlamydias have in common with viruses? - Ans--
They are both obligated to live inside of a host cell
Who discovered penicillin? - Ans--Alexander Flemming
What is the difference between fimbriae and pili? - Ans--Pili is involved in
bacterial sex(conjugation), whereas fimbriae is just for attachment
New strains of the flu are made through _______________
_______________. - Ans--Antigenic shifts
Prokaryotic ribosome subunits = - Ans--50 + 30 = 70
Eukaryotic ribosome subunits = - Ans--60 + 40 = 80
Fermenters - Ans--Homolactic, Alcohol, Ethanol
The prefix for fungi is - Ans--Myco-
could be used in the word Mycology (the study of fungi) or Mycoses (a fungi-
related disease)
Endotoxin - Ans--Gram negative
Exotoxin - Ans--Gram positive
Lytic - Ans--The virus hijacks the cell and then destroys it
Lysogenic - Ans--The virus integrates itself into the DNA and stays there
indefinitely
What is the least effective antibiotic? - Ans--Penicillin
And All Solutions Correct| Vol 26
Update
What is found in ALL prokaryotic organisms? - Ans--Ribosomes
What is the best description of the log phase of a bacterial growth curve? -
Ans--Populations double under optimum conditions
Through feedback inhibition a noncompetitive inhibitor of enzyme activity
would... - Ans--Bind to the allosteric site of the enzyme and stop the reaction
Yeast infections such as thrush are caused by what? - Ans--Candida
albicans
The outer protein coat of a simple virus particle is called? - Ans--Capsid
In the disease cycle of animal viruses(Lysogenic), uncoating takes place
between which two stages? - Ans--Penetration and biosynthesis
What would be used to sterilize disposable prepackaged gloves? - Ans--
Gamma
Which type of hepatitis might you acquire by eating raw tomatoes or green
onions at a restaurant? - Ans--Hepatitis A
The bacteria that causes meningitis usually attach and multiply in this area
of the body - Ans--Upper respiratory system
Helper T cells... - Ans--Function in both humoral and cell-mediated immune
function activation
The function of chemical substances such as histamine and leukotrienes
would be - Ans--To stimulate inflammation
, A cell is said to be _______________ when its cell wall is permeable to
foreign DNA - Ans--Competent
An enzyme that assembles free nucleotides to make a molecule of RNA is -
Ans--RNA polymerase
What do Rickettsias and Chlamydias have in common with viruses? - Ans--
They are both obligated to live inside of a host cell
Who discovered penicillin? - Ans--Alexander Flemming
What is the difference between fimbriae and pili? - Ans--Pili is involved in
bacterial sex(conjugation), whereas fimbriae is just for attachment
New strains of the flu are made through _______________
_______________. - Ans--Antigenic shifts
Prokaryotic ribosome subunits = - Ans--50 + 30 = 70
Eukaryotic ribosome subunits = - Ans--60 + 40 = 80
Fermenters - Ans--Homolactic, Alcohol, Ethanol
The prefix for fungi is - Ans--Myco-
could be used in the word Mycology (the study of fungi) or Mycoses (a fungi-
related disease)
Endotoxin - Ans--Gram negative
Exotoxin - Ans--Gram positive
Lytic - Ans--The virus hijacks the cell and then destroys it
Lysogenic - Ans--The virus integrates itself into the DNA and stays there
indefinitely
What is the least effective antibiotic? - Ans--Penicillin
