MCB 250 Amino Acids Flashcards

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Questions and Answers

What is the three-letter abbreviation for Alanine?

  • -asp
  • -arg
  • -asn
  • -ala (correct)

What is the one-letter code for Arginine?

R

Which of the following amino acids is hydrophilic?

  • Phenylalanine
  • Arginine (correct)
  • Isoleucine
  • Alanine

What is the abbreviation for Asparagine?

<p>-asn</p> Signup and view all the answers

What is the one-letter code for Aspartic Acid?

<p>D (B)</p> Signup and view all the answers

What type of amino acid is Cysteine?

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

What is the three-letter abbreviation for Glutamine?

<p>-gln (A)</p> Signup and view all the answers

Valine is a hydrophobic amino acid.

<p>True (A)</p> Signup and view all the answers

What is the one-letter code for Glycine?

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

Which amino acid has the one-letter code H?

<p>Histidine (A)</p> Signup and view all the answers

What is the three-letter code for Methionine?

<p>-met</p> Signup and view all the answers

Tryptophan is a hydrophilic amino acid.

<p>False (B)</p> Signup and view all the answers

What is the definition of Tyrosine?

<p>-tyr</p> Signup and view all the answers

Which amino acid is represented by the code -thr?

<p>Threonine (D)</p> Signup and view all the answers

What is the three-letter abbreviation for Phenylalanine?

<p>-phe</p> Signup and view all the answers

What type of amino acid is Lysine?

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

Which of the following amino acids is not listed with a definition?

<p>Uridine (A), Adenosine (B), Thymidine (C)</p> Signup and view all the answers

Flashcards

Alanine abbreviation

The three-letter abbreviation for Alanine.

Arginine code

The one-letter code for Arginine.

Hydrophilic amino acid

A type of amino acid that is attracted to water.

Asparagine abbreviation

The abbreviation for Asparagine.

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Aspartic Acid code

The one-letter code for Aspartic Acid.

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Cysteine type

A type of amino acid that interacts with water.

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Glutamine abbreviation

The three-letter abbreviation for Glutamine.

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Hydrophobic amino acid

A type of amino acid that repels water.

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Glycine code

The one-letter code for Glycine.

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Amino acid with code "H"

The amino acid with the one-letter code "H".

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Methionine abbreviation

The three-letter abbreviation for Methionine.

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Tryptophan type

A type of amino acid that repels water.

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Tyrosine abbreviation

The three-letter abbreviation for Tyrosine.

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Amino acid with code "thr"

The amino acid with the three-letter code "thr".

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Phenylalanine abbreviation

The three-letter abbreviation for Phenylalanine.

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Lysine type

A type of amino acid that has a positive charge.

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Uridine

A component of RNA, not a protein building block.

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Study Notes

Amino Acids Overview

  • Amino acids are categorized based on their side chain properties.
  • Each amino acid is represented by a three-letter and a one-letter abbreviation.

Hydrophobic Amino Acids

  • Alanine:
    • Abbreviations: -ala, A
  • Glycine:
    • Abbreviations: -gly, G
  • Isoleucine:
    • Abbreviations: -ile, I
  • Leucine:
    • Abbreviations: -leu, L
  • Methionine:
    • Abbreviations: -met, M
  • Phenylalanine:
    • Abbreviations: -phe, F
  • Proline:
    • Abbreviations: -pro, P
  • Tryptophan:
    • Abbreviations: -trp, W
  • Tyrosine:
    • Abbreviations: -tyr, Y (can H-bond)
  • Valine:
    • Abbreviations: -val, V

Hydrophilic Amino Acids

  • Asparagine:
    • Abbreviations: -asn, N
  • Cysteine:
    • Abbreviations: -cys, C
  • Glutamine:
    • Abbreviations: -gln, Q
  • Serine:
    • Abbreviations: -ser, S
  • Threonine:
    • Abbreviations: -thr, T

Acidic Amino Acids

  • Aspartic Acid:
    • Abbreviations: -asp, D
  • Glutamic Acid:
    • Abbreviations: -glu, E

Basic Amino Acids

  • Arginine:
    • Abbreviations: -arg, R (positive charge)
  • Histidine:
    • Abbreviations: -his, H (positive charge)
  • Lysine:
    • Abbreviations: -lys, K (positive charge)

Nucleosides

  • Adenosine:
    • Key component in nucleotides; functions as energy carrier.
  • Guanosine:
    • Another important nucleoside; significant in cellular signaling.
  • Cytidine:
    • Essential for RNA structure and function.
  • Thymidine:
    • Specific to DNA; involved in nucleic acid synthesis.
  • Uridine:
    • A component of RNA; plays a role in various biochemical processes.

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