biochemistry
if you could please help me answer the following questions!
Homework Answers
Question 1. Options A, B, D, and E
Explanation: Enzymes are examples of homogenous catalysts.
Question 2. Option E
Explanation: The rate of formation of the enzyme-substrate complex is the same as that of its rate of consumption.
Question 3. Option B
Explanation: The enzyme catalysis doesn't talk about the milder reaction conditions.
Question 4. Option E
Explanation: Enzymes are not capable of differentiating between the prochiral atoms in an achiral molecule.
Question 5. Option D
Explanation: Lysine is the basic amino acid whose side-chain contains an amino (NH2) group that can form a Schiff base.
Question 6. Option B
Question 7. Option C
Question 8. Options A, C, D, and E
Question 9. Option A
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biochemistry if you could please help me answer the following questions! * 1. (5 pts) Which...
biochemistry if you could please help me answer the following questions! 741) (5 pts) Transition state theory relate...
biochemistry
if you could please help me answer the following questions!
741) (5 pts) Transition state theory relates the rate constant to the free energy of activation, AG. How can enzymes reduce the activation energy barrier? a) decrease the free energy of the product b) high affinity binding to the transition state c) increase the free energy of the substrate d) increase entropy upon release of product e) bind to the substrate with high affinity 2) (5 pts) Which is...
A. Choose anly one correcet answer for each of the following questions (4 pts cach). AL Some and ...
A. Choose anly one correcet answer for each of the following questions (4 pts cach). AL Some and KM values are shown below for enzyme-substrate pairs. Which of the following enzymes is most efficient in converting the substrate into the product? b) kes.-4x10s s", KM-0.026 M d)k,,-5.7 x1o's", K-2x10s M c)人at-900 s", KM-2.5 × 10.5 M A2. Which of the following enzyme reaction mechanisms has multiple substrates? a) induced-fit e) Michaclis-Menton b) random sequential d) reversible covalent modification e) None...
biochemistry if you could please help me answer the following questions! EFT i 11) (6 pts)...
biochemistry
if you could please help me answer the following questions!
EFT i 11) (6 pts) Which types of symmetry are possible for a protein with six (6) identical subunits? (Select all correct answers) a) cyclic C b) cyclic C3 c) dihedral D2 d) dihedral D e) octahedral o f) icosahedral ро, Yo₂ - pO₂+ Pso 12) (6 pts) What is the fractional saturation of oxygen binding to myoglobin when the partial pressure of oxygen is 1.5 torr and dissociation...
9. Which of the following statements about enzyme catalyzed reactions is NOT true? a. Enzymes form...
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1. During muscle contraction, hydrolysis of ATP results in A) a change in the conformation of...
1. During muscle contraction, hydrolysis of ATP results in A) a change in the conformation of actin B) a change in the conformation of myosin C) association of myosin head to actin D) dissociation of myosin from actin E) no effect on muscle contraction 2. The steady state assumption, as a to monosubstrate enzyme kinetics, implies: A) Concentration of substrate is not changing B) Concentration of product is not changing C) Concentration of ES complex is not changing D) Formation...
1 2 3 4 5 6 7 8 9 Part A Which of the following is/are...
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Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
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For the following questions, multiple answers may apply. 1) Enzyme activity in cells is controlled by...
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10. A good transition-state analog: A) binds covalently to the enzyme. B) binds to the enzyme...
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Rodrigo is an enzyme engineer. He wants to know which of four peptide substrates is bound...
Rodrigo is an enzyme engineer. He wants to know which of four peptide substrates is bound most tightly by his engineered enzyme. Which value should he measure and pay attention to? Km KCAT Vo Both A and B kcat, [S], and [E]t Rodrigo's enzyme was assayed with three substrates (A, B, and C). The SAME enzyme concentration used was for each of the three reactions. The results of the three experiments are plotted as Lineweaver-Burke plots below. Considering what you...
biochemistry
if you could please help me answer the following questions!
741) (5 pts) Transition state theory relates the rate constant to the free energy of activation, AG. How can enzymes reduce the activation energy barrier? a) decrease the free energy of the product b) high affinity binding to the transition state c) increase the free energy of the substrate d) increase entropy upon release of product e) bind to the substrate with high affinity 2) (5 pts) Which is...
A. Choose anly one correcet answer for each of the following questions (4 pts cach). AL Some and KM values are shown below for enzyme-substrate pairs. Which of the following enzymes is most efficient in converting the substrate into the product? b) kes.-4x10s s", KM-0.026 M d)k,,-5.7 x1o's", K-2x10s M c)人at-900 s", KM-2.5 × 10.5 M A2. Which of the following enzyme reaction mechanisms has multiple substrates? a) induced-fit e) Michaclis-Menton b) random sequential d) reversible covalent modification e) None...
biochemistry
if you could please help me answer the following questions!
EFT i 11) (6 pts) Which types of symmetry are possible for a protein with six (6) identical subunits? (Select all correct answers) a) cyclic C b) cyclic C3 c) dihedral D2 d) dihedral D e) octahedral o f) icosahedral ро, Yo₂ - pO₂+ Pso 12) (6 pts) What is the fractional saturation of oxygen binding to myoglobin when the partial pressure of oxygen is 1.5 torr and dissociation...
9. Which of the following statements about enzyme catalyzed reactions is NOT true? a. Enzymes form complexes with their substrates b. Enzymes lower the activation energy for chemical reactions c. Enzymes change the Key for chemical reactions d. Many enzymes change shapes slightly when substrate binds 10. To overcome an energy barrier between reactants and products, energy must be provided to get the reaction started. This energy, which is recovered as the reaction proceeds, is called: a. Activation energy b....
1. During muscle contraction, hydrolysis of ATP results in A) a change in the conformation of actin B) a change in the conformation of myosin C) association of myosin head to actin D) dissociation of myosin from actin E) no effect on muscle contraction 2. The steady state assumption, as a to monosubstrate enzyme kinetics, implies: A) Concentration of substrate is not changing B) Concentration of product is not changing C) Concentration of ES complex is not changing D) Formation...
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2
3
4
5
6
7
8
9
Part A Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction? quantum tunneling decreasing the number of reactive molecules permanently binding substrates inefficient collisions altering the temperature within the cell to one appropriate for reactions to proceed Subrnit Request Answer Part A An enzyme Obinds substrates in a manner that facilitates the formation of product decreases the rate of a reaction. is always...
10. A good transition-state analog: A) binds covalently to the enzyme. B) binds to the enzyme more tightly than the substrate. C) binds very weakly to the enzyme. D) is too unstable to isolate. E) must be almost identical to the substrate. 11. Which factor bas NOT been shown to play a role in determining the specificity of protein kinases? A) disulfide bonds near the phosphorylation site B) primary sequence at phosphorylation site C) protein quaternary structure D) protein tertiary...
Rodrigo is an enzyme engineer. He wants to know which of four peptide substrates is bound most tightly by his engineered enzyme. Which value should he measure and pay attention to? Km KCAT Vo Both A and B kcat, [S], and [E]t Rodrigo's enzyme was assayed with three substrates (A, B, and C). The SAME enzyme concentration used was for each of the three reactions. The results of the three experiments are plotted as Lineweaver-Burke plots below. Considering what you...
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