Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
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: Life on Earth with Physiology (11th Edition)
Ch. 3.1 - define organic molecules and explain why carbon is...Ch. 3.1 - which of these is/are polar molecules? (you may...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 the major types of carbohydrates?Ch. 3.3 - A 19-year old 6' 2' male weighing 297 pounds comes...Ch. 3.3 - Describe hydrolysis of this molecule.Ch. 3.3 - provide examples of each type of carbohydrate and...Ch. 3.4 - Infectious prions such as those that cause mad cow...
Ch. 3.4 - describe protein subunits and how proteins are...Ch. 3.4 - Look up the rest of the amino acids and. based on...Ch. 3.4 - explain the four levels of protein structure and...Ch. 3.4 - Why do many proteins, when heated excessively....Ch. 3.4 - list several functions of proteins and provide...Ch. 3.4 - describe the properties of Intrinsically...Ch. 3.5 - Puzzling Proteins All cells use DNA as a blueprint...Ch. 3.5 - describe the general structure of nucleotides?Ch. 3.5 - Why a Perm Is (Temporarily) Permanent?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. 3.6 - Prob. 1CSRCh. 3.6 - FIGURE 3-22 Synthesis of a triglyceride...Ch. 3.6 - compare and contrast the structure and synthesis...Ch. 3.6 - An obese 55-year-old woman consults her physician...Ch. 3.6 - What kind of reaction breaks this molecule apart?Ch. 3.6 - why are steroid hormones able to diffuse through...Ch. 3.6 - describe the functions of fats, oils, and waxes?Ch. 3.6 - Why are steroid hormones able to diffuse through...Ch. 3.6 - Prob. 3CYLCh. 3 - Based on their structure, sketch and explain how...Ch. 3 - In organic molecules made of chains of subunits,...Ch. 3 - Polar molecules a. dissolve in lipids. b. are...Ch. 3 - Prob. 1RQCh. 3 - Prob. 2ACCh. 3 - Prob. 2FIBCh. 3 - Prob. 2MCCh. 3 - List the four principal classes of biological...Ch. 3 - Prob. 3ACCh. 3 - Prob. 3FIBCh. 3 - Prob. 3MCCh. 3 - Prob. 3RQCh. 3 - Prob. 4FIBCh. 3 - Which of the following is not composed of...Ch. 3 - Prob. 4RQCh. 3 - Fill in the following with the appropriate type of...Ch. 3 - Prob. 5MCCh. 3 - Prob. 5RQCh. 3 - Describe the synthesis of a protein from amino...Ch. 3 - Where in nature do we find cellulose? Where do we...
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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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