23 c. An enol is the nucleophile while an enolate is the electrophile.d. A carbonyl group (aldehyde or ketone) is the electrophile while an enolate is the nucleophile.23. The organic chemist decarboxylates beta-ketoacids at acidic pH values. In the mitochondria the pH isaround 7. What does this mean in terms of the mechanism of beta-ketoacid acid decarboxylation ofisocitrate in the enzyme active site?a. The carboxylate may still decarboxylate in the environment of the enzyme active site.b. The carboxylate maybe converted to the acid form in the environment of the enzyme active site priorto decarboxylation.c. The carboxylate may still decarboxylate in the environment of the enzyme active site due to thepresence of NAD+.d. Both a & b maybe correct.24. In the Krebs cycle isocitrate is oxidized to oxalosuccinic acid (also called alpha-ketoglutarate). Whatelse happens in this step?a. NADH is oxidized to NAD+.b. NAD+ is reduced to NADH.c. Isocitrate decarboxylates.d. both b & c

According to the question, the organic chemist decarboxylates beta-ketoacids at acidic pH values. In…

The carboxylate may still decarboxylate in the environment of the enzyme active site. - The carboxylate maybe converted to the acid form in the environment of the enzyme active site pri o decarboxylation. The carboxylate may still decarboxylate in the environment of the enzyme active site due to the resence of NAD+.

The carboxylate may still decarboxylate in the environment of the enzyme active site. - The carboxylate maybe converted to the acid form in the environment of the enzyme active site pri o decarboxylation. The carboxylate may still decarboxylate in the environment of the enzyme active site due to the resence of NAD+.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

What are chromophores?
LICH Aadic envirment K O
name C3N4
Balavei TyAsoffecochions Cu Br. Cui 63.5/22381I00 -2R.4%mg 23a aBr: 19.9 *2-159.8/223.3xlo0 - 71.6%mg 2 Na OH 40alud Na: 25.0/40x100:57.5% mg 0.16.0/40x160:40% mg Hi1.0/40x100:2.5%. mg 3 NH)S (4:1,0.8=8/68lx(00-11.7%,ng 5:32.1/68.111I00:47.1% ng 4 No Sa 2.2gl4 N:14.0x2-28192.2 X1U : 30.4%i mg v 5:32.1x2=64.2142.2 x1C0 =69.6.1.ag 5K MA O4 58 lul Ki 39,1/158 x100-27.7%, mg Mn:54,9/156x160=34.7%, my 0:16.0x4-64/158160-40.5 hmng 6HCI SGal Hil.0/36.5x(60-2.7% mg C1:35.5/36.5x100=97.3%. my Mg (NO)2 Ma 24.3 /124K100-19.6lo N:14.0x2-24/124x100=22.6%. mg mg
tab caps lock You have a 11.5 mg sample of blood that contains various proteins. Hemoglobin is the only protein in the sample containing Fe. Hemoglobin contains 3.83% by mass of a compound called heme (C34H32FeN4O4, MW = 616.49 g/mol). You find that your 11.5 mg blood sample contains 29.7 micrograms of Fe. What is the mass percent of hemoglobin in your protein sample? Tap here or pull up for additional resources Q A NO 2 W S #3 E D GA 4 R % 5 F Question 9 of 17 T 6 G Y & 7 B H 8 N 9 4 +/ V M
N CH3 K₂Cr₂O7 H* I
Calkulate the p of 9 butter
Proteins are polymers in which unbranched chains of amino acids are present. branched chains of amino acids are present. both unbranched and branched chains of amino acids are present. alternating amino acid and glucose monomer units are present. fewer than 50 amino acids are present.
a) covalent b)isotopic c)nuclear d)ionic
Which of the following is classified as abortificient? Quinine Pitocin Alcohol Use of foreign objects All of the above
Curved arrows are used to illustrate the flow of electrons. Using the provided starting and product structures, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Citi Select to Add Arrows .CI iPr. Si (iPr) 3SICI, Et3N Si-Pr olPr :CI: O