14. Methionine, CH SCH,CH2CH(NH)CO,H, is an amino acid found in proteins. Draw a Lewis structure of...
1. Methionine, CH3SCH CH CH(NH2)CO2H, is an amino acid found in proteins. The Lewis structure of this compound is shown below. What is the hybridization type of each carbon, oxygen, the nitrogen, and the sulfur? H-C-S-C-C-C-C
26- Using the following Lewis structure and 3-dimensional structure of CH, OH answer the following questions? H H -H H a- Hybridization of Oxygen b. Hybridization of Carbon CH-C-O bond angle d- H-O-C bond angle
19) The form of dipeptide aspatylserine (Asp-Ser) obtained from two amino acids, aspartic acid and serine, whose structures are shown here, is HiN-CH-C-0HIN-CH-C-0 CH2 CH OH aspartic acid serine A HN-CH-C-o-N-CH-C-o CH OH CH2 coo -(H-C-o-H-c-o CH OH CH2 HIN CH-C-N-CH-C-O CH OH CH H-CH-CH CH CH OH coo- 20) Where is the peptide bond located in this dipeptide? serine valine a) the CO-NH joining serine and the valine b) the doubly bonded oxygen just left of center between the...
Please explain, Thanks! The following image shows the 20 amino acids found in proteins. OH CH H HNCOOH Glycine HN HẠN CHO Alanine HẠN COOH Serine н соон Threonine Cysteine HAN COOHHN COOH Nлсоон н соон Methionine Valine Leucine Isoleucine Proline OOH MNCOOHHN COOH HN COOH H COOH HẠNỐIOOH Apartic Acid Phenylalanine Tyrosine Tryptophan Glutamic Acid HNCOOHH COOH Asparagine Glutamine HNCOOHNCOOH Histidine Lysine н соон Arginine Imagine that in a protein, a lysine amino acid is replaced with an isoleucine....
only parts B-E DOMU dugics, - H I-U-I 1. CH a. Lewis structure b. Drawing of shape (label angles) c. Name of shape d. Polar or nonpolar? e. Hybridization H-NH -I 2. NH, a. Lewis structure b. Drawing of shape (label angles) c. Name of shape d. Polar or nonpolar? e. Hybridization
Lewis Structure Problem Set You must draw the Lewis structure with formal charges) for each molecullion to receive full credit 1. How many of the following have lone pairs on the centralatom? PFS NCI Seo 2. In how many of the following does the central atom contain exactly 1 double bond? NHN NO: NH: H-N -H 0. b= -5: HNH 3. How many of the following have at least one atom with a formal charge that is not zero? Which...
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 Proteins are long chains of amino acids. There are 4 parts to each amino acid. Which part is responsible for structural variation in proteins? The side chain The carboxylic acid group The amino group The alpha carbon 2. Why is it important to examine the shapes of complex biological molecules and drugs? All of the choices given So scientists can explain biochemical reactions So scientists can design medications So scientists can determine how molecules fit together 3. Determine the...
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...
1. What amino acids do the following abbreviations stand for? Draw the structure of each. a) lle b) Thr c) Gin 2. Name and draw the structures of the amino acids that fit these descriptions: a) Contains an isopropyl group b) Contains a secondary alcohol group 3. Which of the following objects is chiral? a) A pair of scissors b) A comb c) A drinking glass 4. What does the term achiral mean? Give two examples involving organic structures.. 5....