CSelect the product of the following aldol condensation reaction.aAbBC[]dDe EAHHHBHKOH, EtOHheatOHсDE

Ans: D,EExplanation:Solution:The reactant molecule has two carbonyl groups and the conditions for…

Answered: C Select the product of the following…

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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3. Show the calculation of (1) the expected grams of alum (KAI(SO4)2 12 H2O) formed from the reaction of 1.4 grams of aluminum metal and then show the calculation of (2) the % yield if the actual yield of alum is 21.31 grams. Overall reaction is shown below: 2 Al + 2 KOH + 10 H2O + 4 H2SO4 →2 KAI(SO4)2 12 H2O + 3 H2(g)T
Which of the compounds shown below exhibit a high negative free energy of hydrolysis equal to or larger than the free energy of hydrolysis for the phosphoanhydride of ATP? (Choose all that apply) В Α HPΗ Ho HO HO H2N-CH-C CH2 H2N-CH-C CH2 CH2 H2N-CH-Ö CH2 C CH2 D E O A O B O E O=p-00 O=p-00 O=-00 O=0-00 O=L-00
PLEASE SHOW ALL DETAILED WORK
Following phosphate compounds undergo hydrolysis what would be the products? CH,
1. Answer the following questions, based on this reaction: S+E P ES EP2 E + P | B)Where is the transition state located?
н P OH `OH ÓH но OH write mechanisms for reaction shown by drawing each step. Not all cofactors may be indicated, use them as necessary. Disregard stereochemistry.
What kind of catalysis is cysteine driving in this picture? S Los i fy R……—NHR N-H---S O. N-H H-N H-N. O Metal catalysis Covalent catalysis Base catalysis O Acid catalysis NHR²
U Below are three hypothetical reaction intermediates: 2 CH3 CH3 C=0- C=0- H-C- H-C-H H-C- Н 3 CH3 -C=0 Note the carbanion on each intermediate. Which of the following are true? (Pick two.) Compound 1 is the lowest energy of the three intermediates. Compound 2 is the lowest energy of the three intermediates. Compound 3 is the lowest energy of the three intermediates. Resonance with the carbonyl oxygen (arrow) stabilizes the carbanion shown on compound 1 Resonance with the carbonyl oxygen (arrow) stabilizes the carbanion shown on compound 2
Draw the major organic product of the following reaction sequence. .COzH CH3COCI, pyridine
E* S P₁₁ P₂ E E-S₁ E-S₁-S₂ E-P₁-P₂ E*-P₂ E* Which of these 2 options represents a Sequential Ordered bisubstrate reaction? (label the other reaction as well) P₁ P₂ E-S₁-S₂ E-P₁-P₂ E-P₂ E is E E-S₁ S E◄
33 and 34

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C Select the product of the following aldol condensation reaction. a A b B C [] d D e E A H H H B H KOH, EtOH heat OH с D E