Exam 2: BIO 2100 (Latest 2026/2027 Update) Microbiology for Health Professionals Questions with Verified Answers | 100% Correct| Graded A+ Galen.

Exam 2: BIO 2100 (Latest 2026/2027 Update)
Microbiology for Health Professionals Questions with
Verified Answers | 100% Correct| Graded A+ Galen.
Question:

What would happen if a living cell's metabolism reached equilibrium??
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Answer:
It would die
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Question:

Saturation of enzymes? i,- i,-




Answer:
All enzymes have active sites engaged
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Question:

The only way to increase the rate of reaction at saturation would be...??
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Answer:

Add more enzymes
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Question:

,Allosteric regulation?
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Answer:

Regulation of an enzyme by binding an effector molecule at a site other
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than the enzyme's active site
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Question:

Feedback inhibition? i,-




Answer:

Reaction pathway halted by inhibitor binded to enzyme
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Question:

Basic overview of cellular respiration energy flow?
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Answer:
Glucose -> NADH -> electron transport chain -> proton motive force ->
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ATP




Question:

Reduced state to oxidized state is what in terms of free energy??
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Answer:

Exergonic

,Question:

Important steps of glycolysis? i,- i,- i,-




Answer:

1. Glucose gains phosphate from ATP which inhibits movement through
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mitochondrial membrane i,-




2. Glucose-6-phosphate is isomerized to fructose-6-phosphate
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3. 6 carbon structure is cleaved into two 3-carbon units
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4. One unit is rearranged so it's in proper arrangement like the other
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5. NAD+ reduced to NADH (drop in free energy and first step of payoff
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phase)
6. Phosphates added to make 2 atps (most of final energy is in pyruvate)
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Question:
Draw electron transport chain/chemiosmosis?
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Answer:




Question:

Anaerobic cellular respiration?i,- i,-

, Answer:
Final electron acceptor is replaced with sulfate/nitrate
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Question:

Fermentation?

Answer:
Organic final electron acceptor, regenerates NAD+ for glycolysis
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Question:
Relationship between pyruvate and lactic acid?
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Answer:

Pyruvate reduces to lactic acid
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Question:

Exergonic?
Answer:

Free energy of products is lower than free energy of reactants
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Question:
Endergonic?