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BIOL 230 Lecture Exam 1 Microbial Metabolism

A detailed illustration of microbial metabolism processes, including ATP production, enzyme action, and metabolic pathways in a colorful, educational style.

Microbial Metabolism Mastery Quiz

Test your knowledge on microbial metabolism with our comprehensive quiz designed for students and enthusiasts alike. This quiz covers essential concepts, including metabolic pathways, enzyme functions, and the intricacies of ATP production. Whether you're preparing for an exam or simply want to deepen your understanding, this quiz is a great resource.

Quiz Highlights:

  • 40 engaging questions
  • Covers crucial topics in microbiology
  • Multiple formats including multiple choice and true/false
40 Questions10 MinutesCreated by BoostingBiology12
True or False? "Anabolism is a chemical reaction that breaks down molecules which releases energy."
True
False
True or False? "Metabolism is the sum of the physical and chemical processes in an organism"
True
False
True or False? "Catabolism is a chemical reaction that requires energy to builds molecules."
True
False
Adenosine triphosphate is used as _____________.
Energy
Storage
Transportion
Stimulus
A protein that speed up chemical reaction is called?
Cofactors
Co-enzymes
Enzymes
Hormones
Enzymes ______________________ the activation of energy therefore ____________________ the reaction rate causing __________ collision that cause a chemical reaction.
Decrease; Decrease; More
Decrease; Increase; More
Increase; Decrease; Less
Increase; Increase; Less
True or False? "Enzymes lower the activation of energy by orientating the substrate so that a chemical reaction can occur."
True
False
The inorganic component of an enzyme is called?
Co-enzyme
Apoenzyme
Holoenzyme
Cofactor
The protein part of an enzyme is called?
Co-enzyme
Apoenzyme
Cofactor
Holoenzyme
The organic component of an enzyme is called?
Co-enzyme
Apoenzyme
Cofactor
Holoenzyme
Co-enzyme/Cofactor + Apoenzyme + Substrate = Holoenzyme?
True
False
How do co-enzymes/cofactors assist the enzyme?
They use/donate electrons
They accept/donate protons
They use/transfer protons
They accept/donate electrons
All enzymes require cofactors/co-enzymes.
True
False
Temperature, pH, denature enzymes by changing their ______________. Resulting in a(n) ____________in chemical reaction rate.
Charge; Decrese
Atoms; Increase
Number; Increase
Shape; Decrease
True or False? "Noncompetitive inhibitors bind in the allosteric site causing a change in shape to the enzyme."
True
False
Competitive inhibitors bind in the active site and block the substrate.
True
False
Why does the cell prefer to use ATP as its energy?
Unstable bonds
Long lasting
Multipurpose
Reusable
The 3 mechanisms of ATP production are?
Substrate level phosphorylation
Oxidative phosphorylation
Lipophosphorylation
Glycophosporylation
Photophosphorylation
Monophosphorylation
Protons = stored energy
True
False
The energy released in this type of reaction is most likely what?
ATP
Glucose
Sodium
Nitrogen
Reduction is the loss of electrons and in oxidation is the gain of electrons.
True
False
What is exchanged in redox reactions?
Atoms
Energy
Bonds
What are ways microbes catabolize polysaccharides?
Aerobic cellular respiration
Anaerobic cellular respiration
Fermentation
Glycolysis results in all of the following except?
2 ATP
2 NADH
2 FAD(H)2
2 Pyruvic acid
What are the stage of cellular respiration?
Fermentation
Glycolysis
ETC
Kreb Cycle
True or False? "The intermediate step results in 2 NADH."
True
False
True or False? "All of the carbon has left the cell in the form of carbon monoxide at the end of the kreb cycle."
True
False
The kreb cycle produces what?
6 NADH
2 FAD(H)2
2 ATP
2 Pyruvic Acid
The ETC is a series of carrier molecules that are capable of reduction and oxidation of molecules.
True
False
The ETC involves which of the 3 mechanisms?
Substrate Level Phosporylation
Photophosphorylation
Oxidative Phosphorylation
Where does the ETC gets its fuel from?
Hydrogen Atoms
Kreb Cycle
Gylcolysis
Fermentation
Aerobic cellular respiration doesn't require oxygen but Anaerobic cellular respiration does.
True
False
Where is the ETC located in prokaryotes?
0%
0
 
0%
0
 
Where is the ETC located in Eukaryotes?
0%
0
 
0%
0
 
Which of the three mechanisms of phosphorylation is chemiosmosis related?
Substrate level
Oxidative
Photo
1 glucose molecule yields how many ATP molecules when completely catabolized bu aerobic respiration?
23 ATP
52 ATP
45 ATP
38 ATP
The problem in fermentation is that when it produces pyruvic acid and reuses it the end result is what?
Good
Bad
Waste
Nothing
Glycosis is the first step of both fermentation and cellular respiration.
True
False
Difference b/w fermentation and aerobic cellular respiration is what?
# ATP
Waste product
Use of oxygen
Use of mitochondria
End products of fermentation the same?
NO
YES
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