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Amino Acid Abbreviations

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Questions and Answers

Which amino acid is classified as a sulfur-containing amino acid?

Proline
Lysine
Alanine
Methionine (correct)

Aspartic acid is a positively charged (basic) amino acid.

False (B)

Identify the single-letter abbreviation for tryptophan.

__________ is an amino acid known for its unique cyclic structure, which introduces kinks in the polypeptide chain.

<p>Proline</p> Signup and view all the answers

Match each amino acid with its classification:

<p>Lysine = Basic Glutamic acid = Acidic Serine = Polar Alanine = Nonpolar</p> Signup and view all the answers

Flashcards

What is Isoleucine (Ile)?

An amino acid with a nonpolar, branched side chain. It is essential and hydrophobic.

What is Methionine (Met)?

An amino acid that contains a sulfur atom. It is essential and nonpolar.

What is Phenylalanine (Phe)?

An aromatic amino acid with a bulky side chain, important for protein folding and stability. It is essential and nonpolar.

What is Glycine (Gly)?

The simplest amino acid, with hydrogen as its side chain. It is nonessential and achiral.

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What is Serine (Ser)?

An amino acid containing a hydroxyl group, making it polar and reactive. It is nonessential.

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Study Notes

Isoleucine is represented as Ile.
Leucine is represented as Leu.
Valine is represented as Val.
Methionine is represented as Met.
Phenylalanine is represented as Phe.
Tryptophan is represented as Trp.
Alanine is represented as Ala.
Proline is represented as Pro.
Tyrosine is represented as Tyr.
Cysteine is represented as Cys.
Glycine is represented as Gly.
Serine is represented as Ser.
Threonine is represented as Thr.
Asparagine is represented as Asn.
Glutamine is represented as Gln.
Histidine is represented as His.
Aspartic acid is represented as Asp.
Glutamic acid is represented as Glu.
Lysine is represented as Lys.
Arginine is represented as Arg.

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