Human Heredity: Principles and Issues (MindTap Course List)
11th Edition
ISBN: 9781305251052
Author: Michael Cummings
Publisher: Cengage Learning
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Textbook Question
Chapter 9, Problem 19QP
Below is the structure of glycine. Draw a tripeptide composed exclusively of glycine. Label the N-terminus and C-terminus. Draw a box around the peptide bonds.
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Draw the chemical structure of an alanine pentapeptide.
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Write the structure of each of the following peptide at pH7 and identify how many peptide bond in each number.
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Draw the structure of the tetrapeptide MIEL. Refer to the slide sets for the structures of the amino acids. Encircle all the peptide bonds. Box and label the N- and C-terminal amino acid residues.
Chapter 9 Solutions
Human Heredity: Principles and Issues (MindTap Course List)
Ch. 9.6 - Antibiotics and Protein Synthesis Antibiotics are...Ch. 9.6 - Antibiotics and Protein Synthesis Antibiotics are...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - There have been recurring cases of mad-cow disease...Ch. 9 - The Link Between Genes and proteins The genetic...Ch. 9 - Define replication, transcription, and...Ch. 9 - If the genetic code used 4 bases at a time, how...Ch. 9 - If the genetic code uses triplets, how many...Ch. 9 - What is the start codon? What are the stop codons?...
Ch. 9 - Is an entire chromosome made into an mRNA during...Ch. 9 - The promoter and terminator regions of genes are...Ch. 9 - The following segment of DNA codes for a protein....Ch. 9 - What are the three modifications made to pre-mRNA...Ch. 9 - The pre-mRNA transcript and protein made by...Ch. 9 - Briefly describe the function of the following in...Ch. 9 - Prob. 12QPCh. 9 - Determine the percent of the following gene that...Ch. 9 - How many kilobases of the DNA strand below will...Ch. 9 - Prob. 15QPCh. 9 - Given the following tRNA anticodon sequence,...Ch. 9 - Given the following mRNA, write the...Ch. 9 - The following is a portion of a protein:...Ch. 9 - Below is the structure of glycine. Draw a...Ch. 9 - Indicate in which category, transcription or...Ch. 9 - Prob. 21QPCh. 9 - Polypeptide folding is often mediated by other...Ch. 9 - Do mutations in DNA alter proteins all the time?Ch. 9 - a. Can a mutation change a proteins tertiary...
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- Form DIANINE name using the one-letter symbol and draw it as a peptide chain. Name the peptide as well.arrow_forwardIn this sequence: Histidine - Alanine - Aspartic acid - Leucine tetrapeptide (show using your model how the water is released). Show the peptide bonds on your figure. See figure 1arrow_forwardThe following are structural diagrams of a selection of newly discovered amino acids. OH -の-CHs NH HO C-OH NH, AN-CH CH2 CH2 OH Ho NH, C=0 a) Select 1 amino acid. Redraw it. Label the alpha carbon and circle/highlight the entire backbone of the amino acid. b) The amino acids are part of a channel protein embedded in the cell membrane. Choose 2 amino acids (from above) that you would expect to find within the interior/middle of the cell membrane. Draw the formation of the dipeptide using the 2 amino acids you selected. Identify the other products formed in the reaction.arrow_forward
- Amino acids are the building blocks for proteins in the cell. The structures of the amino acids glutamate (or glutamic acid), glycine, and leucine are provided below in the same order from left to right. Map any chiral centers with a 1.arrow_forwardDraw the structural formula of the oligopeptide if the amino acids are arginine, glutamine, glycine, methionine and glutamic acid considering the first amino acid is the N-terminusarrow_forwardImagine the main chain of a protein bends back on itself, so that two amino acid residues R, and R, come close to each other. In the table below are four possibilities for what R, and R, might be. In each case, decide whether a specific interaction could form between the residues. If a specific interaction could form, give the name of the interaction. R₁ R₂ threonine cysteine glutamine arginine cysteine tyrosine phenylalanine glutamate specific interaction? Oyes no yes O no O yes O no Oyes O no name of specific interaction 0 0 0 0 Xarrow_forward
- Draw the structure of the following: (in the image provided)Use the amino acids below.F - PhenylalanineI - IsoleucineG - GlycineH - HistidineT - ThreonineE - Glutamic acidR - Argininearrow_forwardDraw out the structural formula of the oligopeptide, with the first amino acid as the N-terminusarrow_forwardDraw the oligopeptides' structure and provide the corresponding name for each oligopeptide 1. Dipeptide Ala-His 2. Tripeptide Glu-Pro-Cys Note: First residue is the N-terminal amino acidarrow_forward
- Draw at least 2 amino acids. Label the N-terminus and the C-terminus. Describe the property of the amino acids.arrow_forwardWrite the structure formula, three-letter and one-letter abbreviation for each essential amino acid at pH 7. Histidine Arginine Lysinearrow_forwardDescribe the amino acid illustrated above (at pH = 7.0). (the following amino acid at pH = 7 (aqueous form): (COO-)–CH(NH3+)–CH2–(COO-)) it is a non-polar, positively-charged amino acid it is a polar, positively-charged amino acid it is a polar, uncharged amino acid it is a polar, negatively-charged amino acid it is a non-polar, negatively-charged amino acidarrow_forward
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