CH,0-P-O C=0 0. CH;0-P-O CH,OH HO-C-H H-C-OH C-H Ö HO--H ČH,O-P-O- H-C-OH O t. CH;0-P-O
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- Draw the products formed when -D-idose is treated with C6H5NHNH2 (excess), H+why is CH3-CH-CH2-CH2-CH3 non imposable ? I OHThe following complex natural product has been biogenetically produced via a pericyclic reaction(s) at the final stage. Can you propose the structure of the precursor? Но H. Me Me OH Me' rol Ме
- C6H12O6 + a*O2 + b*NH3 --> c*CH1.8O0.6N0.12 + d*CO2 + e*H2O + f*C6H8O7 Citric acid can be produced according to the above formula by aerobically growing Aspergillus niger mold in a solution containing glucose as a substrate. The chemical composition of this mold is CH1.8O0.6N0.12. The yield of biomass from glucose is 0.34 g g-1 and the yield of citric acid from glucose is 0.535 g g-1. Using a reduction balance, calculate how many moles of oxygen are needed per mole of glucose. In this calculation, use the following rounded even values as atomic weights for all calculations: C=12 g/mol, H=1 g/mol, O=16 g/mol ja N=14 g/mol. So how many moles of oxygen are needed per mole of glucose ? Calculate the answer to three decimal places.The urea cycle can be summarized through the following reaction: O || H₂N-C-OPO3= COO- | H3N-CHCH₂COO- O || H₂N-C-NH2 + -OOCCH = CHCOO- 1. Write the reactions, using structural formulas that lead to the formation of carbamoyl phosphate and its subsequent incorporation into the urea cycle. Name the enzymes and how they are activated.Dehalogenase enzymes catalyze the clevage of C-X bonds. One such dehalogenase catalyzes the following reaction. An active site aspartate is thought to carry out the initial nucleophilic attack that expels the chloride. Select the most likely intermediate in the reaction. (Note the stereochemistry. Refer to P11.19 in the textbook if needed.) O O A C D OE -CH₂ H H₂C™ CO₂ H B CO₂ CI N H₂O Cr CO₂ H CO₂ нотум CH3 D CO₂ five N E CH₂
- In the Lineweaver Burke plot shown below, which of the following is true? With inbito Wthout nhitor O Km is increasing. Vmax is decreasing Km is decreasing, Vmax is decreasing Km is increasing, Vmax is increasing Km is decreasing, Vmax is in QUESTION 35 As per the Enzyme commission classification, the tranferases belong to which of the following Class? O 2 O 4 O 3 Click Save and Submit to save and submit. Click Save All Answers to save all answers. 78 F Mostly cloudyGive the product of this reaction sequence: NH3* Bg-CH3 Bg SH (cobalamin) Adenosyl-S H₂C-NH OH A Adenosyl-O intermediate D HN-CH3 Adenosyl-NH HS SH B ATP O-CH3 PPP₁ H3C-S+ Adenosyl H₂N E Adenosyl-O product OH с NH₂ S-CH3In less than 100 words total i) describe the physiological reaction of the red population to alcohol consumption, which is usually not seen with the blue population, and ii) explain in the language of this unit how the enzymatic properties of aldehyde dehydrogenase relate to this physiological reaction.
- Given is a polypepetide in the presence of the enzyme pepsin. N-gly-arg-met-phe-ala-lys-ser-tyr-gly C, What fragments can be formed? choices are below gly-arg-met + phe-ala-lys-ser + tyr-gly gly-arg-met-phe + ala-lys-ser-tyr + gly gly + arg-met-phe-ala + lys-aer-tyr-gly gly-arg + met-phe-ala +lys +ser=tyr=glyThe five-digit code for all members of the family Enterobacteriaceae starts with the number 2 or 3. What does this indicate about their common biochemistry?On the right the Hill plot com- (b) pares the O2 binding properties of Hb Ya- kima with those of HbA in 0.1 M NaCl buff- Hb-Yakima ered to pH 7 with 0.01 M bis-Tris. Focus first on the line for "stripped Hb". This is the term for hemoglobin isolated from erythro- cytes with removal of all organic phosphate molecules that might bind to the protein in RBCS. You can see that 2,3-bisphospho- glycerate (BPG; labeled DPG according to old terminology) does not alter the O2 bind- ing affinity of Hb Yakima in contrast to HbA (although it was shown that BPG did bind to the deoxyHb Yakima molecule). Also, Hb Yakima is associated with markedly decreased allostery in the absence and presence of BPG, in comparison to HbA. IHP = inositol hexaphosphate, an artificial allosteric modifying ligand that binds more tightly than BPG. stripped Hb Hb-A •DPG +DPG n= 1.0 n = 2.3 n=2,5 +THP +IHP 0.5 0.5 1 5 10 50 po, ( mm Hg ) %3D On the right is a diagram copied from the lecture handout "Hemoglobin and Allo-…