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Organic Chemistry A Short Course

Chemistry

Quiz 17 :

Amino Acids, Peptides, and Proteins

Quiz 17 :

Amino Acids, Peptides, and Proteins

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Under what condition would phenylalanine exist as follows? img
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B

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In the dipeptide shown the following segment of the molecule is likely to lie in a single plane: img
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D

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What is the only -amino acid that does not have a stereogenic carbon?
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A

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Hydrogen bonds, -helices, and pleated sheets are structural properties of proteins.
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Which of the following -amino acids contains a hydroxyl group?
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Which of the following molecules is -aminopropanoic acid?
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What is the correct relationship between valylalanine and alanylvaline?
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What is the name of the following molecule? img
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The dipeptides img are
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What is the name of the amide bond linking two amino acids?
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How many different combinations are possible for a tripeptide containing one of each of the following amino acids: Phe, Val, Asp?
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Which one of the following represents a tetrapeptide?
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Which molecule is an -amino acid?
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Which of the following -amino acids contains an imidazole?
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What is the net charge of isoleucine at its isoelectric point?
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In the octapeptide, Cys-Ile-Ser-Asp-Gly-His-Gly-Gly, which is the N-terminal amino acid?
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To what family of polymers do proteins belong?
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How many different combinations are possible for a tetrapeptide containing two glycines (Gly,) one alanine (Ala,) and one phenylalanine (Phe)?
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In the octapeptide, Phe-Ile-Ser-Asp-Gly-His-Gly-Tyr, which is the C-terminal amino acid?
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Which of the following amino acids can form disulfide bonds?
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Showing 1 - 20 of 47