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Concept explainers
a.
To draw:
The structure of amino acid represented by “G”.
Introduction:
Amino acids contain a protonated
b.
To determine:
The structure of amino acid represented by “His”.
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
c.
To determine:
The structure of amino acid represented by “Q”.
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
d.
To determine:
The structure of amino acid represented by “Ile”.
Introduction:
Amino acids contain a protonated amine and a carboxylic acid in the form of carboxylate ion. These two functional groups are bonded to a central carbon atom called the alpha-carbon. The protonated amine bonded to this carbon is called alpha-amino group and the carboxylate ion as the alpha carboxylate group. The alpha-carbon is also bonded to a hydrogen atom and a large side chain designated as R, which gives unique identification and characteristics to each amino acids.
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Chapter 10 Solutions
EBK LABORATORY MANUAL FOR GENERAL, ORGA
- At room temperature, amino acids are solids with relatively high decomposition points. Explain why.arrow_forwardDraw each amino acid in its dipolar ion form. a. Val b. Phe c. Tyr d. Cysarrow_forward1. Draw the structure of the amino acid in a) acidic solution at a pH below the isoelectric point b) basic solution at a pH above the isoelectric point HN-CH-C-O CH, T CH CH, CH,arrow_forward
- of a protein. 15. The amino acid sequence is the a. primary structure b. secondary structure c. tertiary structure d. quaternary structure e. both secondary and tertiaryarrow_forwardExplain the differences in the litmus paper test results of the aqueous amino acid samples tested. a. alanine b. glutamic acid c. argininearrow_forwardWhat specific tests will determine the presence of amino group in amino acids and proteins?arrow_forward
- give the name of three- letter abbreviation for the amino acid described by each of the following a. The non polar amino acid with a sulfur atom in its side chain b.A polar amino acid with a single nitrogen atom in its side chain c. The nonpolar amino acid with only one carbon in its side chainarrow_forwardName the amino acids using their common namearrow_forward1. Identify which of the following pairs of amino acid residues can have hydrogen bonding between their side chains. a. Alanine and Glycine b. Leucine and Isoleucine C. Valine and Asparagine d. Threonine and Tyrosine 2. Draw a picture showing the details of the hydrogen bonding among the pairs in exercise 1.arrow_forward
- What factors affect the basic properties of amino compounds? How do they influence basic properties?arrow_forward4. How is the following amino acid classified? H3Ñ-CHC-o CH2 a. nonpolar b. polar neutral c. polar acidic d. polar basicarrow_forward26. Almost all proteins are composed from a set of about amino acids. 20 d. 50 a. 4 27. a. 5 b. 10 amino acids are considered essential. b. 10 C. C. 15 d. 20arrow_forward
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