PRELAB ASSIGNMENT 1 Draw the structure of the amino acid son CH-OH Label the alpha carbon...
1.) Draw the structure of the amino acid Serine(ser), which has R=-CH2-OH. Label the alpha carbon. 2.) Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3.) How many amino acids residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide 4.) Sketch a alpha-helix and a beta-sheet as best as you can. Label each.
CHE 1211 L-General, Organic and Biological Chemistry Lab PROTEINS AND AMINO ACIDS Name: Date: Lab Instructor: Lab Section: PRELAB ASSIGNMENT 1. Draw the structure of the amino acid Serine (Ser), which has R -CH2-OH. Label the alpha carbon 2. Draw the dipeptide that forms between serine and alanine. The dipeptide sequence is Ser-Ala. Label the peptide bond. 3. How many amino acid residues are in a polypeptide containing 6 peptide bonds? How many peptide bonds are in a tripeptide?
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...
Question 5 (1 point) Saved What arrow correctly identifies a peptide bond? LED H2N -CH-CJN-CH-C-R-CHCN-CH-8 CH-OH - CH₂ CH3 Question 4 (1 point) Identify all the amino acids that can be produced using the three letter designation (Use your textbook). HN-CH-C-N-CH-C-N-CH-C-N-CH-C CH-OH CH, 0 0 Al...Gly...-Cys...-Ser Gly.-.-Ala----Glu ---Met Glu----Ala----Thr----Cys Ala-Gly-Thr-Tyr 0 0 Question 3 (1 point) Use the three letter designation for the amino acids to write the tetrapeptide order: HN-CH-C-N-CH-C-N-CH-C-N-CH-C 525-5 Ala...Gly...Cys-..-Ser Gly....Ala---- Glu---- Met Glu---- Ala...-Thr-Cys OCys...-Ala----Gly-Ser Question...
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. Draw the structure of tripalmitin, the triacylglycerol made from glycerol and palmitic acid. CH2-OH CH-OH CH2-OH palmitic acid glycerol 2. Draw the structure of the product when linolenic acid has been completely halogenated with bromine (Bra). linolenic acid 3. Three fats, labeled X, Y, and Z, were analyzed for double bond content and found to have "iodine numbers" of 78, 147, and 180, respectively. Which of the fats was the most saturated?
____ 1. The diagram below represents serine, a polar, uncharged amino acid. Which functional group gives serine its distinct property? a. H3 b. CH2OH c. –H d. COO– ____ 2. The monomers shown below are monomers for which of the following natural polymers? a. polysaccharides b. plastics c. DNA d. proteins ____ 3. Which of the following processes illustrates the production of a protein? a. specific code for amino acids --> amino acid chain --> gene --> DNA --> specific...
What kinds of interactions are NOT part of tertiary protein structure? 3 . A) salt bridges In a hydrolysis reaction, B) hydrophilic interactions A. an acid reacts with an alcohol. C) disulfide bonds E. an este reacts with NaOH. C. anester reacts with H.O. D) peptide bonds D. an acid neutralizes a base. E) hydrophobic interactions E. water is added to markene. . All amino acids have chiral Carbon atoms except a. Val 6. Lys C. ASP d. Ala e....
11 Department of Biological Sciences BIOCHEMISTRY Test 2.2018 H. Nucleic Acid, Sequencing of DNA: Amino Acids Hydrolysis of salt Laboratory buffers, Polyprotie acids QUESTIONS 1. The DNA strand complementary to the strand 3-GTAGCGTAT-Y' would have the sequence a SLTACOCATAT-3 b.3.CATOXICATA-S c. 3-ATGCGTATA-S" ATATGCGTAS 2. When cytosine is treated with bisulfite, the amino group is replaced with a carbonyl group. Identify the resulting base a. adenine b. guanine c uracil d. thyminee. typoxanthine 3. How many amino acids would be in...