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Which of the following tano amino acid? 0 CH-C-NH-CH, 0 NH-CH(-OH sa,તા,વ, બ્રા NH, CH,-CH-C-OH content...
At a pH of 4: Amino acid 1 OH Amino acid 2 NH OH HN NH, OH pka Amino Amino Acid 1 Acid 2 9.82 9.18 Amino terminus Carboxy terminus 2.1 1.77 Side chain 3.86 6.1 O (Answer B) the R group (side chain) on amino acid 1 will be deprotonated A and B (Answer A) the amino terminus on amino acid OH HN OH pka Amino Acid 1 Amino Acid 2 Amino terminus 9.82 9.18 Carboxy terminus 2.1 1.77...
5. In the following reaction CH, NH, +H,0— CH, NH; + OH CH,NH, + H2O ---→ CH,NH,+ + OH- the compound CH,NH, behaves as: a) an acid b) a base c) a salt d) a conjugate acid 26. In an acidic solution the a) concentration of hydronium ion is greater than that of hydroxide ion. b) concentration of hydroxide ion greater than that of hydronium ion. C) concentration of hydronium ion and hydroxide ion are equal 27. In which of...
Propose a mechanism from the reaction in the box CH,CH,0 + NH CH:CH-OH + NH3 Use the diagram above for Questions 4-7. 4. Which reactant is the base? a) CH3CH20 b) NHÀ c.) CH,CHOH d.) NH3 5. Which product is the conjugate acid? a.) CH CH20 b.) NH4+ c.) CHCH2OH d.) NH3 6. Which reactant is the acid? a.) CH,CH20 b.) NHÀ c.) CH3CH2OH d.) NHS 7. Which product is the conjugate base? a.) CH,CH20 b) NH4* c.) CH,CH2OH d)...
page 2 Chem 102 Work Shot 9.0 Dr.O. Amino Acids NAME_Sheena Thompson For each amino acid: A. Draw a circle around the carboxylic acid group B. Drow a triangle around the c-amino group C. Draw a box (or rectangle or polygon) around the Rgroup in each amino acid D. Use hi-lighters or colored pencils on each name to classify the amino acids as one of the following: 1. Nonpolar 2. Polar neutral 3. Polar acidic 4. Polor basic NH CO_H...
14. Which statement is correct concerning the following polypeptide? O “NH CHC-NHCHC-NHCHCO- --- H CH CH SH a b. C. d. 15. The N-terminal unit comes from glycine. The C-terminal unit comes from lysine, This is a tetrapeptide It can also be represented as - Cys. Cys. Lys. The amino acid sequence concerns which level of protein structure? primary b. secondary c. tertiary d. quaternary What will be the isoelectric point of the following tripeptide? a. 16. NH-CH-C-NH-CH-C-NH-CH-C-OH CH CH,COOH...
1) Which of the following is an amino acid? A) e R-CH-CH2-C00R -CH-CooR -CH-C-CO ile R-CH-C-NH3 R-C=CH-Coo NH3 NH3 NH3 ONH 3 D) coo B) E) 2) Which of the following amino acids has a sulfur in the R group? A) serine B) cysteine C) asparagine D) tyrosine E) leucine 3) Which of the following terms describes the side chain of valine? A) acidic B) basic C) charged, polar D) uncharged, polar E) nonpolar 4) Which of the following is...
please help a. C. CH-CNH Which of the following is alanylglycine? O O *NH-CH-C-NH-CH-CO H CH, b. о NH-CH-C-NH-CH-CO- CH CH,OH d. NH-CH-C-NH-CH-CO- CH, H O O 요 *NH-CH-C-NH-CH-CO CH,OH CH NH,CH-C-NH-CH CH-C
Question 33 What is the name of the following structure? он сн. HS-CH2-CH-NH-C-CH-CH-NH-C- O Adenine -C OH CH, 0 0" H H H IO=O O-P O OH Coenzyme A Adenosine 3'-phosphate Pantothenic acid B-Mercaptoethylamine
For the reaction CH,N(aq) + H20(1) CH NH(aq) + OH (aq), which of the following is a conjugate acid-base pair?
MMM Page E 21 Which arrow designates the bond broken by hydrolysis? O “NH CHÚC-NH-CH-CO- A CH S S DO CH, *NHẠCH CẠNH-CH-CO- a. b. (A) (E (C) (D) 22 a. 23 The following side chain occurs in which amino acid? CH.CH.CH_CH_NH, alanine b. glutamic acid c. cysteine d. lysine Classify the following carbohydrate. aldotetrose CHO b. aldopentose c. ketopentose H-COH d. ketohexose ketotetrose H-C-OH a. HO-CH 24. CH,OH Which of the following always undergo hydrolysis reactions? (There may be...