If the distal His residue of myoglobin were mutated to an Ala residue, how would the...
If the distal His residue of myoglobin were mutated to an Ala residue, how would the binding affinity of CO be affected? A) Affinity for CO would be unaffected
B)Affinity for CO would decrease
C)Affinity for CO would increase
Homework Answers
The Histidine residue that is located at the distal side of myoglobin is responsible binding with oxygen. If the distal His residue of myoglobin were mutated to an Ala residue, then the both cooperativity for both Oxygen and CO increases. Thus, the correct option is C) Affinity for CO would increase.
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If the distal His residue of myoglobin were mutated to an Ala
residue, how would the...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the most (highest melting point) versas the least. In one plot, draw melting curves for two double strand DNA molecules A and B. Both DNA molecules have the same length of 1000 base pairs. Which DNA duplex has higher melting point and why? DNA molecule A is formed by poly A and poly U strands. DNA molecule B is formed by poly G and poly...
ter 9. Hemoglobin and Myoglobin Which of these is not found in myoglobin? A) alpha helix...
ter 9. Hemoglobin and Myoglobin Which of these is not found in myoglobin? A) alpha helix b) beta sheetc) heme group, d) globular folding pattern • Which statement about hemoglobin is not true? A) it is globular b) it contains helix loop-helix c) it has three subunits d) it has heme groups · The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these - The...
Chapter 9. Hemoglobin and Myoglobin 1. Which of these is not found in myoglobin? A) alpha...
Chapter 9. Hemoglobin and Myoglobin 1. Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these...
Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme...
Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group 1. d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these 4. The transition of hemoglobin...
please explain each question thoroughly. thanks Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide...
please explain each question thoroughly. thanks
Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide were to be incubated with dinitrofluorobenzene (FDNB) followed by 6M HCl hydrolysis at 1100C for 24 hrs. What labeled product(s) would be detected? Consider the following pepide: What would happen if the peptide were treated with CNBr? What would the products be? Why? b. What would happen if the peptide were treated with chymotrypsin? What would the c. products be? Why? Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr, Leu-Trp, Ala-Ile-His-Phe,...
1. Which of these is not found in myoglobin? A) alpha helix b) beta sheet c)...
1. Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these 4. The transition of hemoglobin...
Match the following phenotypes with the mutation that would be the most likely to be its...
Match the following phenotypes with the mutation that would be the most likely to be its cause. The mutant proteins are listed below, followed by the protein domain that is mutated in each case, followed by the amino acid change that is a result of the mutation Try to answer each question by using the following reasoning: if you observe a phenotype, then that could be due to a mutation in protein in which the domain has had an amino...
2) We discussed in class how the molecule 2,3-bisphosphoglycerate (BPG) is an inhibitor of hemoglobin (Hb)....
2) We discussed in class how the molecule 2,3-bisphosphoglycerate (BPG) is an inhibitor of hemoglobin (Hb). Answer the following questions about BPG and its regulation of oxygen binding: a) Would BPG have any effect on myoglobin’s ability to bind or release oxygen? If so, describe how BPG would affect myoglobin. If not, why? b) Based on the observation that BPG binds preferentially to partially deoxygenated Hb, briefly explain (1-2 sentences) where BPG is most likely to be most effective on...
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...
biochemistry concept I need help with. not a hw question. on our test our professor is...
biochemistry concept I need help with. not a hw question.
on our test our professor is going to ask us something along
the lines of these questions but I just don't understand them even
after reading the questions. I don't understand how to know when to
shift the line to the right vs left.
HEMOGLOBIN Draw the oxygen-binding curve on the graph for A-normal hemoglobin, B normal hemoglobin when BPG levels double and c-a disease that causes high blood oxygenation...
The melting point, is propor- tional to the number of hydrogen bonds Which one has the most (highest melting point) versas the least. In one plot, draw melting curves for two double strand DNA molecules A and B. Both DNA molecules have the same length of 1000 base pairs. Which DNA duplex has higher melting point and why? DNA molecule A is formed by poly A and poly U strands. DNA molecule B is formed by poly G and poly...
ter 9. Hemoglobin and Myoglobin Which of these is not found in myoglobin? A) alpha helix b) beta sheetc) heme group, d) globular folding pattern • Which statement about hemoglobin is not true? A) it is globular b) it contains helix loop-helix c) it has three subunits d) it has heme groups · The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these - The...
Chapter 9. Hemoglobin and Myoglobin 1. Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these...
Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group 1. d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these 4. The transition of hemoglobin...
please explain each question thoroughly. thanks
Question 3: Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr-Leu-Trp-Ala-Ile-His-Phe-Ser-Cys-Lys a. What would happen if this peptide were to be incubated with dinitrofluorobenzene (FDNB) followed by 6M HCl hydrolysis at 1100C for 24 hrs. What labeled product(s) would be detected? Consider the following pepide: What would happen if the peptide were treated with CNBr? What would the products be? Why? b. What would happen if the peptide were treated with chymotrypsin? What would the c. products be? Why? Arg-Cys-Met-Ala-Cys-Gly-Arg-Pro-Asn-Tyr, Leu-Trp, Ala-Ile-His-Phe,...
1. Which of these is not found in myoglobin? A) alpha helix b) beta sheet c) heme group d) globular folding pattern 2. Which statement about hemoglobin is not true? A) it is globular b) it contains helix- loop-helix c) it has three subunits d) it has heme groups 3. The molecule which binds in the central cavity of hemoglobin when it is deoxygenated is: a) CO2 b) heme c) BPG d) all of these 4. The transition of hemoglobin...
Match the following phenotypes with the mutation that would be the most likely to be its cause. The mutant proteins are listed below, followed by the protein domain that is mutated in each case, followed by the amino acid change that is a result of the mutation Try to answer each question by using the following reasoning: if you observe a phenotype, then that could be due to a mutation in protein in which the domain has had an amino...
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...
biochemistry concept I need help with. not a hw question.
on our test our professor is going to ask us something along
the lines of these questions but I just don't understand them even
after reading the questions. I don't understand how to know when to
shift the line to the right vs left.
HEMOGLOBIN Draw the oxygen-binding curve on the graph for A-normal hemoglobin, B normal hemoglobin when BPG levels double and c-a disease that causes high blood oxygenation...
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