BIOS242 Exam 2 Study Guide
BIOS242 Exam 2 Study Guide – UPDATED Questions with 100%
Verified Answers
Chamberlain University-Illinois
BIOS242
BIOS242 Exam 2 Study Guide
Q1 A microorganism that grows best in high hydrostatic pressure environments is called a
_________.
A Barophile
Q2 Antimicrobial drugs fully created in a lab are called __________ drugs.
A Synthetic.
Q3 The process that destroys vegetative pathogens but not endospores on inanimate objects is
__________
A Disinfection
Q4 The enzyme that hydrolyzes the beta-lactam ring in penicillins and cephalosporins is
__________.
A Beta-lactamase
Q5 Tetracyclines interfere with bacterial __________ synthesis.
A Protein
Q6 Infectious agents with moderate potential are studied under __________ conditions.
A BSL-2
Q7 The total number of cases in an area during a specific time is called __________.
A Prevalence
Q8 Which statement is true when comparing saprobes and parasites?
Page 1
, BIOS242 Exam 2 Study Guide
A Parasites get energy from living organisms and saprobes from dead organisms
Q9 Which type of organism can use aerobic metabolism in the presence of oxygen and
anaerobic metabolism without?
A Facultative anaerobe
Q10 Which phase of the bacterial growth curve shows maximal growth and doubling each
generation?
A Exponential phase
Q11 Which classification uses chemicals for energy and carbon dioxide as a carbon source?
A Chemoautotroph
Q12 Organisms that grow best between 15°C and 30°C are called __________
A Psychrotolerant (psychrotroph)
Q13 What is it called when a molecule prevents substrate binding by competing for the active
site?
A Competitive inhibition
Q14 Acetyl-CoA participates in ______ pathways to create and break down fatty acids.
A Amphibolic pathways
Q15 Which stage of respiration yields the most ATP?
A Electron Transport Chain (ETC)
Q16 What term describes enzymes that function inside the cell?
A Endoenzyme
Q17 The "lock and key" fit refers to the interaction between:
A Enzyme and substrate
Page 2
BIOS242 Exam 2 Study Guide – UPDATED Questions with 100%
Verified Answers
Chamberlain University-Illinois
BIOS242
BIOS242 Exam 2 Study Guide
Q1 A microorganism that grows best in high hydrostatic pressure environments is called a
_________.
A Barophile
Q2 Antimicrobial drugs fully created in a lab are called __________ drugs.
A Synthetic.
Q3 The process that destroys vegetative pathogens but not endospores on inanimate objects is
__________
A Disinfection
Q4 The enzyme that hydrolyzes the beta-lactam ring in penicillins and cephalosporins is
__________.
A Beta-lactamase
Q5 Tetracyclines interfere with bacterial __________ synthesis.
A Protein
Q6 Infectious agents with moderate potential are studied under __________ conditions.
A BSL-2
Q7 The total number of cases in an area during a specific time is called __________.
A Prevalence
Q8 Which statement is true when comparing saprobes and parasites?
Page 1
, BIOS242 Exam 2 Study Guide
A Parasites get energy from living organisms and saprobes from dead organisms
Q9 Which type of organism can use aerobic metabolism in the presence of oxygen and
anaerobic metabolism without?
A Facultative anaerobe
Q10 Which phase of the bacterial growth curve shows maximal growth and doubling each
generation?
A Exponential phase
Q11 Which classification uses chemicals for energy and carbon dioxide as a carbon source?
A Chemoautotroph
Q12 Organisms that grow best between 15°C and 30°C are called __________
A Psychrotolerant (psychrotroph)
Q13 What is it called when a molecule prevents substrate binding by competing for the active
site?
A Competitive inhibition
Q14 Acetyl-CoA participates in ______ pathways to create and break down fatty acids.
A Amphibolic pathways
Q15 Which stage of respiration yields the most ATP?
A Electron Transport Chain (ETC)
Q16 What term describes enzymes that function inside the cell?
A Endoenzyme
Q17 The "lock and key" fit refers to the interaction between:
A Enzyme and substrate
Page 2
