Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Law of thermodynamics which states that energy can neither be created nor be destroyed is ___________
Anonymous Quiz
18%
Zero-order kinetics
69%
First law of thermodynamics
5%
Third law of thermodynamicsc
8%
The second law of thermodynamic
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Gibb’s free energy is the portion of the total energy which is available for useful work.
Anonymous Quiz
85%
true
15%
false
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Which of the following equation shows the relationship between free energy change (∆G) and the change in entropy (∆S), under constant temperature and pressure?
Anonymous Quiz
13%
∆G = T∆H – ∆S
3%
∆G = T∆H/∆S
3%
∆G = ∆H/T∆S
81%
∆G = ∆H – T∆S
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
What is the value of ∆G, when a system is in equilibrium?
Anonymous Quiz
90%
∆G = 0
6%
∆G = ∆G֯
2%
∆G = -1
3%
∆G = 1
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Which of the following equation gives the relationship between ∆G֯ and Keq?
Anonymous Quiz
59%
∆G֯ = -RT ln Keq
22%
∆G = -RT ln Keq
11%
∆G = ∆G֯ (-RT Keq)
8%
∆G֯ = ln Keq
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Which of the following act as a storage form of high energy phosphate?
Anonymous Quiz
35%
Glucose-6-phosphate
6%
Glycerol phosphate
39%
Phosphagens
20%
Phosphoenolpyruvate
👀2
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
If enthalpy change for a reaction is zero, then ∆G° equals to _____________
Anonymous Quiz
63%
-T∆S°
15%
lnkeq
13%
-∆H°
9%
T∆S°
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
∆G° is defined as the ____________
Anonymous Quiz
12%
Residual energy present in the reactants at equilibrium
24%
Difference in the residual energy of reactants and products at equilibrium
9%
Residual energy present in the products at equilibrium
55%
Energy required in converting one mole of reactants to one mole of products
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
The study of energy relationships and conversions in biological systems is called as ____________
Anonymous Quiz
4%
Biophysics
3%
Microbiology
91%
Bioenergetics
3%
Biotechnology
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
What does first law of thermodynamics state?
Anonymous Quiz
75%
Energy can neither be destroyed nor created
9%
Input of heat energy increases the rate of movement of atoms and molecules
10%
All living organisms are composed of cells
6%
Energy cannot be 100 percent efficiently transformed from one type to another
Forwarded from Dr.Shimaa Munther Biochemistry MCQ
Which of the following statements is true?
Anonymous Quiz
32%
The reaction tends to go in the forward direction if ∆G is large and positive
9%
The system is at equilibrium if ∆G = 1
18%
The reaction tends to move in the backward direction if ∆G is large and negative
42%
The reaction tends to move in the forward direction if ∆G is large and negaitive
Bioenergatics: Role of ATP (MCQS)
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