Curved arrows are used to illustrate the flow of electrons. Using the provided starting structure, draw thecurved electron-pushing arrows for the following reaction or mechanistic step(s).Be sure to account for all bond-breaking and bond-making steps. Then draw any missing organicintermediates or products for this epoxidation reaction.Include all lone pairs in the structures. Ignore inorganic byproducts, counterions, and solvents.0.~H:OH:HQH--0QmCPBAdilute HCISelect to Draw Intermediate0:0NaOH:OH:HSelect to Add ArrowsHIIIIIIIIII

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Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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A. Write the products of each of the following reactions and balance the equation. Indicate for cach product whether it is solid (s), liquid (), aqueous (aq) or gas (g). If no reaction occurs, the products are the same as the reactants, write no reaction and proceed to the next reaction. B. Write an ionic equation for each reaction. Break up only compounds with (aq) into ions. Recall that the number of ions in a compound are indicated with a subscript, but the number of ions listed separately in an equation are indicated with a coefficient. C. Cancel out any ions that appear on both sides of the equation and write the net ionic equation for each.
Draw the major organic product obtained form the following sequence of reactions (assume that mixtures of ortho and para disubstituted compounds can be separated; continue the synthesis with either one)? NO₂ Br, FeBr3 H2, Ni NaNO2, H3O+ HBF4
Write a sample chemical reaction of chymotrypsin in a complete balanced equation label the following properly: substrate/s, cosubstrate/s, and cofactor/s Show all the changes in the reacting components small molecules should be in their skeletal form large molecules could be shown as hybrid structures - reacting/interacting groups in skeletal form, the rest of the molecule as abbreviations/blocks/shapes
O=S=0 - NH OH H3C H3C Q1: How many functional groups present in the structure? Q2: Name the functional group which is heterocycle, aromatic and stable. Q3: The equation of biological activity is Log 1/C = 2.51x + 0.14a + 7.66 Discuss this equation.
Draw the amino acid product that results from a transamination reaction involving pyruvate and glutamate, shown in the image below. Draw the product as it would occur at the pH of most body fluids, including all charges. You do not need to draw the other product of the reaction. O NH3 3D CH3-C-C-o-+ 0-CH-CH CH2-C-0--→? pyruvate glutamate Draw the molecule on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Include all hydrogen atoms and charges. > View Available Hint(s) CONT. H. N. NV CI Br 1] -C- C1 SI
Functional groups and linkages assignment Complete the reactions below. Circle and identify all functional groups and linkages in reactants and products. Also identify the type of biochemical reaction. [10 A] a) CH3CH2CH2 C-N-CH2CH2CH2CH3 H2O > H.
I Write a balanced equation for each of the following two reactions that you will use in this activity. In the boxes provided, draw a diagram showing this reaction at the molecular level. Be sure that the drawing shows conservation of mass (see Figure 1.7A and B). a Calcium chloride reacting with sodium phosphate (double replacement) CaCl2 (aq) + NazPO4 (aq) → (_) + Reactants Products b Zinc reacting with hydrochloric acid (single replacement) Zn (s) + HCI (aq) → (_) + Reactants Products
Calculate the standard Gibbs energy of formation of H,O(g) at 25 °C. Method Write the chemical equation for the formation reaction, and then the expression for the standard Gibbs energy of formation in terms of the Gibbs energy of each molecule; then express those Gibbs energies in terms of the molecular partition function of each species. Ignore molec- ular vibration as it is unlikely to be excited at 25 °C. Take numerical values from the Resource section together with the following rotational constants of H,O: 27.877, 14.512, and 9.285 cm-1, Take for the atomization energy of H,O the value -237 kJ mol-'.
Draw the product AND propose a reasonable, detailed stepwise mechanism, using curved arrow notation to show the flow of electrons, for the following reaction.
pKa = 9.6 pK, = 2.3 H :0: || H-N- C-C-Ö-H H 120° 180° H H 20. 105° The structural formula of the glycinium cation is shown above. Arrows indicate the pka values for the labile 90° protons in the molecule. CLEAR ALL What is the approximate H-O-C bond angle in the glycinium cation? +
Describe how you would make the following solution containing two enzymes. 1 mL total volume in Buffer X with 10nM of enzyme A and 50nM of enzyme B You are given a solution of enzyme A at 1 mg/mL and a solution of enzyme B at 1 mg/mL. The molecular weight of enzyme A is 75,000 g/mol and the molecular weight of enzyme B is 130,000 g/mol.
In the following monosaccharide hemiacetal, identify the anomeric carbon atom. Identify the appropriate atom by selecting an atom and assigning it a map number of 1. To do this, rigl mark to enable the Map field before entering a value. H: 122 EXP" CONT. 0 0 H но OH S Br OH [1] ÓH P. -

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