Amino Acids Flashcards
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Questions and Answers

What type of R group does Glycine have?

  • Nonpolar, aliphatic R Groups (correct)
  • Positively charged R groups
  • Polar, uncharged R groups
  • Negatively charged R groups

What type of R group does Alanine have?

  • Positively charged R groups
  • Polar, uncharged R groups
  • Nonpolar, aliphatic R Groups (correct)
  • Aromatic R groups

What type of R group does Proline have?

  • Aromatic R groups
  • Polar, uncharged R groups
  • Negatively charged R groups
  • Nonpolar, aliphatic R Groups (correct)

What type of R group does Valine have?

<p>Nonpolar, aliphatic R Groups (C)</p> Signup and view all the answers

What type of R group does Leucine have?

<p>Nonpolar, aliphatic R Groups (A)</p> Signup and view all the answers

What type of R group does Isoleucine have?

<p>Nonpolar, aliphatic R Groups (A)</p> Signup and view all the answers

What type of R group does Methionine have?

<p>Nonpolar, aliphatic R Groups (D)</p> Signup and view all the answers

What type of R group does Phenylalanine have?

<p>Aromatic R groups (B)</p> Signup and view all the answers

What type of R group does Tyrosine have?

<p>Aromatic R groups (D)</p> Signup and view all the answers

What type of R group does Tryptophan have?

<p>Aromatic R groups (A)</p> Signup and view all the answers

What type of R group does Serine have?

<p>Polar, uncharged R groups (C)</p> Signup and view all the answers

What type of R group does Threonine have?

<p>Polar, uncharged R groups (C)</p> Signup and view all the answers

What type of R group does Cysteine have?

<p>Polar, uncharged R groups (D)</p> Signup and view all the answers

What type of R group does Asparagine have?

<p>Polar, uncharged R groups (B)</p> Signup and view all the answers

What type of R group does Glutamine have?

<p>Polar, uncharged R groups (A)</p> Signup and view all the answers

What type of R group does Lysine have?

<p>Positively charged R groups (A)</p> Signup and view all the answers

What type of R group does Arginine have?

<p>Positively charged R groups (C)</p> Signup and view all the answers

What type of R group does Histidine have?

<p>Positively charged R groups (A)</p> Signup and view all the answers

What type of R group does Aspartate have?

<p>Negatively charged R groups (D)</p> Signup and view all the answers

What type of R group does Glutamate have?

<p>Negatively charged R groups (A)</p> Signup and view all the answers

Flashcards

Amino Acids

Organic compounds that are the building blocks of proteins.

Central Carbon Atom

The core atom in an amino acid attached to various functional groups.

Glycine

The simplest amino acid that provides flexibility in protein structures.

Alanine

An amino acid involving a methyl group, significant in energy production.

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Proline

An amino acid with a cyclic structure influencing protein folding.

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Valine

An essential amino acid key for muscle metabolism and repair.

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Leucine

This essential amino acid promotes protein synthesis and muscle growth.

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Isoleucine

An essential amino acid crucial for hemoglobin production and energy regulation.

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Methionine

An amino acid that contains sulfur and is a precursor to other amino acids.

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Phenylalanine

An essential amino acid that serves as a neurotransmitter precursor.

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Tyrosine

A derivative of phenylalanine important for hormones and neurotransmitters.

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Tryptophan

A precursor to serotonin, influencing mood and sleep patterns.

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Serine

A polar amino acid involved in enzyme function.

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Threonine

An essential amino acid significant in protein synthesis and immune function.

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Cysteine

Contains a sulfhydryl group and is important for disulfide bonds.

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Asparagine

A polar amino acid important for glycoprotein synthesis.

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Glutamine

The most abundant amino acid in the bloodstream, crucial for nitrogen transport.

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Lysine

An essential amino acid vital for protein synthesis and collagen formation.

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Arginine

Precursor to nitric oxide, plays a role in immune function.

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Histidine

Essential for the production of histamine, involved in immune response.

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Aspartate

A negatively charged amino acid involved in the urea cycle and neurotransmission.

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Glutamate

A major neurotransmitter, important for cognitive functions like learning.

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Study Notes

Amino Acids Overview

  • Amino acids are organic compounds that serve as the building blocks of proteins.
  • They possess a central carbon atom attached to an amino group, a carboxyl group, a hydrogen atom, and a variable R group.

Nonpolar Amino Acids

  • Glycine: Simplest amino acid; facilitates flexibility in protein structure.
  • Alanine: Contains a methyl group; commonly involved in energy production and metabolism.
  • Proline: Unique for its cyclic structure; influences protein folding due to its rigid structure.
  • Valine: An essential amino acid; plays a role in muscle metabolism and tissue repair.
  • Leucine: Promotes protein synthesis; essential for muscle growth and recovery.
  • Isoleucine: Essential amino acid important for hemoglobin production and energy regulation.
  • Methionine: Contains sulfur; acts as a precursor for other amino acids like cysteine.

Aromatic Amino Acids

  • Phenylalanine: Precursor to neurotransmitters; essential for proper brain function.
  • Tyrosine: Derived from phenylalanine; important for the synthesis of hormones and neurotransmitters.
  • Tryptophan: Precursor to serotonin; plays a key role in mood regulation and sleep patterns.

Polar, Uncharged Amino Acids

  • Serine: Involved in enzyme function; important for the active sites of some enzymes.
  • Threonine: Essential amino acid; involved in protein synthesis and immune function.
  • Cysteine: Contains a sulfhydryl group; important for disulfide bonds in proteins, contributing to structure.
  • Asparagine: Plays a role in the synthesis of glycoproteins; can serve as a nitrogen donor.
  • Glutamine: Most abundant amino acid in the bloodstream; crucial for nitrogen transport and metabolism.

Positively Charged Amino Acids

  • Lysine: Essential for protein synthesis; important for collagen formation and hormone production.
  • Arginine: Precursor to nitric oxide; plays roles in immune function and blood flow regulation.
  • Histidine: Essential for the production of histamine; important in immune response regulation.

Negatively Charged Amino Acids

  • Aspartate: Involved in the urea cycle; acts as a neurotransmitter in the brain.
  • Glutamate: Major neurotransmitter involved in cognitive functions; plays a role in synaptic plasticity.

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Test your knowledge of amino acids with these flashcards. Each card features a structure or full name along with its classification as nonpolar or aliphatic. This quiz is perfect for students studying biochemistry or molecular biology.

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