BIOS242 Exam 2 Study Guide
Study online at https://quizlet.com/_ics752
1. A microorganism that grows best in high hydrostatic pressure environments
is called a _________.: Barophile
2. Antimicrobial drugs fully created in a lab are called __________ drugs.: Synthetic.
3. The process that destroys vegetative pathogens but not endospores on
inanimate objects is __________: Disinfection
4. The enzyme that hydrolyzes the beta-lactam ring in penicillins and
cephalosporins is __________.: Beta-lactamase
5. Tetracyclines interfere with bacterial __________ synthesis.: Protein
6. Infectious agents with moderate potential are studied under __________ con-
ditions.: BSL-2
7. The total number of cases in an area during a specific time is called
__________.: Prevalence
8. Which statement is true when comparing saprobes and parasites?: Parasites get
energy from living organisms and saprobes from dead organisms
9. Which type of organism can use aerobic metabolism in the presence of
oxygen and anaerobic metabolism without?: Facultative anaerobe
10. Which phase of the bacterial growth curve shows maximal growth and
doubling each generation?: Exponential phase
11. Which classification uses chemicals for energy and carbon dioxide as a
carbon source?: Chemoautotroph
12. Organisms that grow best between 15°C and 30°C are called __________: Psy-
chrotolerant (psychrotroph)
13. What is it called when a molecule prevents substrate binding by competing
for the active site?: Competitive inhibition
14. Acetyl-CoA participates in ______ pathways to create and break down fatty
acids.: Amphibolic pathways
15. Which stage of respiration yields the most ATP?: Electron Transport Chain (ETC)
16. What term describes enzymes that function inside the cell?: Endoenzyme
17. The "lock and key" fit refers to the interaction between:: Enzyme and substrate
18. The Krebs cycle receives substrates from the catabolism of which mole-
cules?: Glucose, proteins, and fatty acids
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Study online at https://quizlet.com/_ics752
1. A microorganism that grows best in high hydrostatic pressure environments
is called a _________.: Barophile
2. Antimicrobial drugs fully created in a lab are called __________ drugs.: Synthetic.
3. The process that destroys vegetative pathogens but not endospores on
inanimate objects is __________: Disinfection
4. The enzyme that hydrolyzes the beta-lactam ring in penicillins and
cephalosporins is __________.: Beta-lactamase
5. Tetracyclines interfere with bacterial __________ synthesis.: Protein
6. Infectious agents with moderate potential are studied under __________ con-
ditions.: BSL-2
7. The total number of cases in an area during a specific time is called
__________.: Prevalence
8. Which statement is true when comparing saprobes and parasites?: Parasites get
energy from living organisms and saprobes from dead organisms
9. Which type of organism can use aerobic metabolism in the presence of
oxygen and anaerobic metabolism without?: Facultative anaerobe
10. Which phase of the bacterial growth curve shows maximal growth and
doubling each generation?: Exponential phase
11. Which classification uses chemicals for energy and carbon dioxide as a
carbon source?: Chemoautotroph
12. Organisms that grow best between 15°C and 30°C are called __________: Psy-
chrotolerant (psychrotroph)
13. What is it called when a molecule prevents substrate binding by competing
for the active site?: Competitive inhibition
14. Acetyl-CoA participates in ______ pathways to create and break down fatty
acids.: Amphibolic pathways
15. Which stage of respiration yields the most ATP?: Electron Transport Chain (ETC)
16. What term describes enzymes that function inside the cell?: Endoenzyme
17. The "lock and key" fit refers to the interaction between:: Enzyme and substrate
18. The Krebs cycle receives substrates from the catabolism of which mole-
cules?: Glucose, proteins, and fatty acids
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