BIOL 150 b questions and answers verified 2024

BIOL 150 - Quiz 5 Questions with
complete solution (8 pgs)
Your lunch is digested by enzymes in your gastrointestinal tract. These
chemical reactions are best categorized as _________.
- Catabolism
- Anabolism
- Chemiosmosis
- Active transport
- Diffusion - correct answer ✔Catabolism


Which of the following is an example of anabolism?
- Production of acids
- Shivering to generate heat
- Combining glucose molecules to form glycogen
- Hydrolysis of starch
- Breaking down glucose into two molecules of pyruvate - correct answer
✔Combining glucose molecules to form glycogen


Which of the following compounds has the greatest potential energy?
- Glucose
- Alanine
- Water
- Cholesterol
- Sodium chloride - correct answer ✔Cholesterol

, Spontaneous reactions have a ________ ∆G.
- Zero
- Positive
- Negative - correct answer ✔Negative


The hydrolysis of ________ is an exergonic reaction that drives many
endergonic reactions in a cell.
- AMP
- Carbon Dioxide
- Oxygen
- cAMP
- ATP - correct answer ✔ATP


The synthesis of ATP from ADP and Pi is a(n) _______ reaction with a
__________ ∆G.
- Reversible; 0
- Exergonic; negative
- Endergonic; positive
- Endergonic; negative
- Exergonic; positive - correct answer ✔Endergonic; positive


Consider the following equations:
Equation 1: ATP + H2O -> ADP + Pi; ∆G1 = -7kcal/mol
Equation 2: phosphoenolpyruvate + H2O -> pyruvate + Pi; ∆G2 = -14.8
kcal/mol
Equation 3: glucose + Pi -> glucose-6-phospate + H2O; ∆G3 = +3.3 kcal/mol
Equation 4: ADP + Pi -> ATP + H2O; ∆G4 = +7 kcal/mol