Would you expect a similar movement of Fe2+ into the plane of the porphyrin ring in...
Would you expect a similar movement of Fe2+ into the plane of the porphyrin ring in myoglobin? ______ If so, would it have the same effect on binding additional O2 molecules as described above? Why? _______.
Homework Answers
Yes. The main group in myoglobin responsible for its functioning is Heam group. The Fe2+ ions bind to the porphyrin ring from four sites and the 5th coordinationsite has been occupied by imidazole ring of histidine. The 6th site is available for the binding of O2.. The Fe2+ ion is present 0.4 Angstrom above the plane, but on binding with O2 in the form of superoxide and concert Fe2+ into Fe3+. Due to decrease in size of metal ion, it properly fitted into the ring. The release of superoxide can damage the tissues, so that myoglobin release dioxygen instead of superoxide and converted into Fe2+ ion.
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Would you expect a similar movement of Fe2+ into the plane of
the porphyrin ring in...
QUESTION 16 For compounds of similar molecular weight, which of the following would you expect to...
QUESTION 16 For compounds of similar molecular weight, which of the following would you expect to have the highest boiling point? O An alkane O An ether O A primary amine The compounds should have approximately the same boiling point. QUESTION 17 Lipoproteins are examples of: O Steroids Eicosanoids O Glycolipids O Complex lipids QUESTION 18 All amino acid molecules contain oxygen atoms. True False
Can you please answer 11b (it would be great if you handwrite the answer instead of typing it)
can you please answer 11b
(it would be great if you handwrite the answer instead of
typing it)
To) Based on the pattern of hodes in Fig. 7ES, now many anbia do you expect there to be for the spherical harmonic Y4, Does it have a node at 6 0? E7F.11(a) Consider the real part of the spherical harmonic Y,.. At which values of φ do angular nodes occur? These angular nodes can also be described as planes: identify the...
Would you expect that an interplanetary satellite would experience a Coriolis effect when travelling above-below the...
Would you expect that an interplanetary satellite would experience a Coriolis effect when travelling above-below the plane of the solar system? travelling inwards-outwards along the plane of the solar system? Explain!
Would you expect the properties of the luminal side of Golgi membranes to be more similar...
Would you expect the properties of the luminal side of Golgi membranes to be more similar to the extracellular or cytosolic side of the plasma membrane? Why?
in the lungs where po2=15kpa, you have a sample containing 5000 molecules of the globin protein....
in the lungs where po2=15kpa, you have a sample containing 5000 molecules of the globin protein. How many molecules of globins would you expect to find bound to O2, assuming there is 1 binding site per globin molecules. a. 1000 globin molecules b. 2400 globin molecules c. 1350 globin molecules d. 2600 globin molecules. e. none of the above
1. With respect to the aqueous Suzuki coupling you have just performed, would you expect this...
1. With respect to the aqueous Suzuki coupling you have just
performed, would you expect this reaction to have similar success
with both p-bromobenzoic acid and p-bromobenzyl alcohol? Why or why
not?
I have given the reaction of the Suzuki coupling reaction that
is referred to above. Please explain why the Suzuki reaction would
be as successful or not as successful as its use with iodosalicylic
acid.
OH (HO),B- 1) Po(OAC),-L2 Na2CO3, H20.70 °C 2) 1 M aq. HCI (acidic...
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...
Why would you expect the VSEPR class AX3E3 would not exist?
Note: different VSEPR families do not have the same number of members. (The members of each family are the VSEPR classes that belong to that family. For example, thenext VSEPR class of the AX6 family after AX4E2 would be the hypothetical AX3E3. This would require a central atom with nine valence electrons to combine with threeelectrons contributed by three X atoms to give a total of 12 electrons on the central A atom. So why would you expect that the...
Would you expect the crystal on the right to be more or less stable enthalpically (AH)?...
Would you expect the crystal on the right to be more or less stable enthalpically (AH)? A. Less stable B. More stable C. Equal AH Ostwald ripening Nature Materials 1.205 - 206 (2002) At equilibrium, why would small crystals get smaller and bigger crystals get bigger? (Grey and Green are the same molecules, just from different crystals) A. The molecules at the periphery have less enthalpic stabilization. Ostwald ripening maximizes enthalpic stabilization B. The molecules at the periphery of the...
2. Not only does an aromatic ring itself affect the reactivity of an acid derivative (an ester, o...
2. Not only does an aromatic ring itself affect the reactivity of an acid derivative (an ester, on last year's quiz), substituents on the aromatic ring can further modify the reactivity. First, we will consider a phenyl amide with a para-acetyl substituent: CH, (a) What is the n-effect (resonance) of the para-acetyl substituent? How will that affect the reactivity of the other (amide) carbonyl in the molecule below (increase or decrease, compared to the same amide but with no p-...
QUESTION 16 For compounds of similar molecular weight, which of the following would you expect to have the highest boiling point? O An alkane O An ether O A primary amine The compounds should have approximately the same boiling point. QUESTION 17 Lipoproteins are examples of: O Steroids Eicosanoids O Glycolipids O Complex lipids QUESTION 18 All amino acid molecules contain oxygen atoms. True False
can you please answer 11b
(it would be great if you handwrite the answer instead of
typing it)
To) Based on the pattern of hodes in Fig. 7ES, now many anbia do you expect there to be for the spherical harmonic Y4, Does it have a node at 6 0? E7F.11(a) Consider the real part of the spherical harmonic Y,.. At which values of φ do angular nodes occur? These angular nodes can also be described as planes: identify the...
1. With respect to the aqueous Suzuki coupling you have just
performed, would you expect this reaction to have similar success
with both p-bromobenzoic acid and p-bromobenzyl alcohol? Why or why
not?
I have given the reaction of the Suzuki coupling reaction that
is referred to above. Please explain why the Suzuki reaction would
be as successful or not as successful as its use with iodosalicylic
acid.
OH (HO),B- 1) Po(OAC),-L2 Na2CO3, H20.70 °C 2) 1 M aq. HCI (acidic...
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...
Would you expect the crystal on the right to be more or less stable enthalpically (AH)? A. Less stable B. More stable C. Equal AH Ostwald ripening Nature Materials 1.205 - 206 (2002) At equilibrium, why would small crystals get smaller and bigger crystals get bigger? (Grey and Green are the same molecules, just from different crystals) A. The molecules at the periphery have less enthalpic stabilization. Ostwald ripening maximizes enthalpic stabilization B. The molecules at the periphery of the...
2. Not only does an aromatic ring itself affect the reactivity of an acid derivative (an ester, on last year's quiz), substituents on the aromatic ring can further modify the reactivity. First, we will consider a phenyl amide with a para-acetyl substituent: CH, (a) What is the n-effect (resonance) of the para-acetyl substituent? How will that affect the reactivity of the other (amide) carbonyl in the molecule below (increase or decrease, compared to the same amide but with no p-...
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