Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 3.4, Problem 1TC
Look up the rest of the amino acids and. based on (hair structures, identify three others that have hydrophobic
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PRACTICE NAMING. Identify the number of amino acids, number of peptide bonds, and name
the peptide.
i.e. Ala-Cys
• Dipeptide
• 1 peptide bond
• Alanylcysteine
Cys-tyr-phe-gln-asn-cys-pro-arg-gly
Optical isomerism of amino acids. L and D amino acids. Chiral centers of amino acids. Give examples of amino acids that do not have optical isomers.
Oligopeptide 1
Oligopeptide 2
N.
N-
H.
N-H
H
Give the three-letter and one-letter names of the amino acids in each oligopeptide starting from the amino
terminal to the carboxyl terminal. Make sure that the amino acid names are arranged in CORRECT order for
both oligopeptides.
Chapter 3 Solutions
Biology
Ch. 3.1 - which of these is/are polar molecules? (you may...Ch. 3.1 - define organic molecules and explain why carbon is...Ch. 3.1 - explain why functional groups are important in...Ch. 3.1 - name and describe the properties of seven...Ch. 3.2 - define organic molecules and explain why carbon is...Ch. 3.3 - Describe hydrolysis of this molecule.Ch. 3.3 - describe the major types of carbohydrates?Ch. 3.3 - provide examples of each type of carbohydrate and...Ch. 3.4 - Look up the rest of the amino acids and. based on...Ch. 3.4 - Infectious prions such as those that cause mad cow...
Ch. 3.4 - Why do many proteins, when heated excessively....Ch. 3.4 - Why a Perm Is (Temporarily) Permanent?Ch. 3.4 - describe protein subunits and how proteins are...Ch. 3.4 - explain the four levels of protein structure and...Ch. 3.4 - list several functions of proteins and provide...Ch. 3.4 - Prob. 4CYLCh. 3.5 - describe the general structure of nucleotides?Ch. 3.5 - list three different functions of nucleotides?Ch. 3.5 - explain how nucleic acids are synthesized?Ch. 3.5 - give two examples of nucleic acids and their...Ch. 3.5 - Puzzling Proteins All cells use DNA as a blueprint...Ch. 3.6 - What kind of reaction breaks this molecule apart?Ch. 3.6 - An obese 55-year-old woman consults her physician...Ch. 3.6 - Why are steroid hormones able to diffuse through...Ch. 3.6 - compare and contrast the structure and synthesis...Ch. 3.6 - describe the functions of fats, oils, and waxes?Ch. 3.6 - Prob. 3CYLCh. 3.6 - Prob. 1CTCh. 3 - Polar molecules a. dissolve in lipids. b. are...Ch. 3 - Prob. 2MCCh. 3 - Prob. 3MCCh. 3 - Which of the following is not composed of...Ch. 3 - Prob. 5MCCh. 3 - In organic molecules made of chains of subunits,...Ch. 3 - Prob. 2FIBCh. 3 - Prob. 3FIBCh. 3 - Prob. 4FIBCh. 3 - Fill in the following with the appropriate type of...Ch. 3 - Prob. 1RQCh. 3 - List the four principal classes of biological...Ch. 3 - Prob. 3RQCh. 3 - Prob. 4RQCh. 3 - Prob. 5RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...Ch. 3 - Based on their structure, sketch and explain how...Ch. 3 - Prob. 2ACCh. 3 - Prob. 3AC
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- HO. NH2 HO This amino acid is called It's three-letter abbreviation is and its one-letter abbreviation isarrow_forwardIdentify. Examine the following four amino acids (A-D): Co0 "H,N- CH "H,N CH "H;N-CH "H,N CH CH2 CH2 CH, CH CH2 CH3 CH, CH2 OH NH," B D What are their names, three-letter abbreviations, and one-letter symbols?arrow_forwarda. How many peptide bonds are there? b. How many amino acid residues are there? c. In exact order, identify the name of the amino acids in the peptide chain. d. Give the full name of this peptide. e. Give the 3-letter abbreviation and 1-letter abbreviation. f. Calculate the pI of this peptide.arrow_forward
- I. Apply your knowledge on the basic structure of amino acids by creating a polypeptide chain that is 4 amino acids long showing its structural formula, II. Why are R groups important in amino acids?arrow_forwardPLEASE DONT COPY IN GOOGLE OR HERE ON BARTLEBY. Disulfide bridges are limited in that only one particular amino acid can form these types of interactions. Name the amino acid, and sketch two of them forming a disulfide bridarrow_forwardPLEASE DONT COPY IN GOOGLE OR HERE ON BARTLEBY. Salt bridges are more commonly formed compared to the aforementioned disulfide bridges. Which amino acids have side chains with the potential to form salt bridges? Sketch an example of two compatible amino acids forming a salt bridge.arrow_forward
- A peptide bond... is a version of an ester bond is a version of an amide bond is the basis of protein secondary structure is formed by addition of waterarrow_forwardFind each amino acids in the protein oxytocin. Match the shape of each amino acid symbol. i have attached the images. Fill in the blanks below with the names of the amino acids. Amino acid #1-9. The picture was to big for the whole picture. After alanine, it is isoleucine and serine to answer also for how many amino acids.arrow_forwardA polypeptide is shown below. Please answer the following questions. OH В A H;N E a. Match the letter labels to the appropriate components of a polypeptide. carbonyl group [ Select ] amide [ Select ] alpha amino group [ Select ] alpha carboxylic group [ Select ] peptide bond [Select] b. How many peptide bonds are in this polypeptide? [ Select ] V Residues? [ Select ] c. If the second residue were replaced with glutamic acid would the pl increase or decrease? [ Select ] >arrow_forward
- Cysteine and Aspartate: draw the amino acid side chain and give the single and three letter abbreviation.arrow_forwardGiven amino acids A and B 5. Draw the structure of amino acid A at pH < pI 6. Draw the structure of amino acid B at its isoelectric point (pI)arrow_forwardLong explanations are not needed. Answers and brief descriptions would be enough. During the formation of the peptide bond which of the following takes place? a. Hydrogen atom is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from the amino group of another amino acid. b. Hydrogen atom is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from the amino group of another amino acid. c. Hydroxyl group is lost from its carboxyl group of one amino acid and a hydroxyl group is lost from the amino group of another amino acid. d. Hydroxyl group is lost from its carboxyl group of one amino acid and a hydrogen atom is lost from the amino group of another amino acid.arrow_forward
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