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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a. 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.
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.
HO.
NH2
HO
This amino acid is called
It's three-letter
abbreviation is
and its one-letter abbreviation is
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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- Identify. 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_forwardI. 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_forwardDo not give handwriting solution. Draw A mixed triacylglycerol that contains one saturated 8 - carbon fatty acid chain and two 6 - carbonfatty acid chains with 2 trans double bonds each.arrow_forward
- Given 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_forward+ H HH H,N-C–C–N-C–COO ОН O NH2arrow_forwarda. The graph to the right displays the degree of helicity that was measured for a peptide as nine additional amino acids were sequentially added to the initial amino acid. Describe the reasons that the helicity curve takes the shape that it does as amino acids are added on to the small peptide.arrow_forward
- Cysteine and Aspartate: draw the amino acid side chain and give the single and three letter abbreviation.arrow_forwardGive a complete solution to the following.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
- Be sure to answer all parts. Draw the s-trans and s-cis conformations of the peptide bond in the dipeptide Ala-Ala. Be sure to show appropriate stereochemistry for the natural amino acid and the alkenes. I I I I I draw structure... s-trans draw structure ... s-cisarrow_forwardThe amino acid residues in proteins are __ stereoisomers and amino acids can be classifed by their __ group please fill in the blankarrow_forwardThank you very much for your assitance as it is greatly appreciated.arrow_forward
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