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Back to FlashcardsChemistry / All 20 Amino Acids

All 20 Amino Acids

Chemistry22 CardsCreated 8 months ago

These flashcards introduce amino acids with their full names, pronunciations, single- and three-letter codes, genetic codons, and side chain properties. Perfect for students learning biochemistry or preparing for exams in molecular biology.

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Name the Amino Acid shown below:

Alanine (Ah-la-neen)

Features

  • Single letter code = A

  • Three letter code = Ala

  • Codons = GCU, GCC, GCA, GCG

  • Has a non-polar hydrophobic side chain.

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Key Terms

Term
Definition

Name the Amino Acid shown below:

Alanine (Ah-la-neen)

Features

  • Single le...

Name the Amino Acid shown below:

Arginine (Are-ji-neen)

Features

  • Single ...

Name the Amino Acid shown below:

Asparagine (a-spar-ra-gene)

Features

  1. Si...

Name the Amino Acid shown below:

Aspartic acid (Ah-spar-tick acid)

Features

  1. Name the Amino Acid shown below:

    Cysteine

    Features

    1. Single letter code = ...

Name the Amino Acid shown below:

Glutamic Acid

Features

  1. Single letter co...

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All 20 Amino Acids
TermDefinition

Name the Amino Acid shown below:

Alanine (Ah-la-neen)

Features

  • Single letter code = A

  • Three letter code = Ala

  • Codons = GCU, GCC, GCA, GCG

  • Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Arginine (Are-ji-neen)

Features

  • Single letter code = R

  • Three letter code = Arg

  • Codons = CGU, CGC, CGA, CGG, AGA, AGG

  • Has a positively charged hydrophilic side chain.

Name the Amino Acid shown below:

Asparagine (a-spar-ra-gene)

Features

  1. Single letter code = N

  2. Three letter code = Asn

  3. Codons = AAU, AAC

  4. Has an uncharged polar (hydrophilic) side chain.

Name the Amino Acid shown below:

Aspartic acid (Ah-spar-tick acid)

Features

  1. Single letter code = D

  2. Three letter code = Asp

  3. Codons = GAU, GAC

  4. Has a negatively charged hydrophilic side chain.

Name the Amino Acid shown below:

Cysteine

Features

  1. Single letter code = C

  2. Three letter code = Cys

  3. Codons = UGU, UGC

  4. It is a special case amino acid


Name the Amino Acid shown below:

Glutamic Acid

Features

  1. Single letter code = E

  2. Three letter code = Glu

  3. Codons = GAG, GAA

  4. Has a negatively charged hydrophilic side chain.

Name the Amino Acid shown below:

Glutamine

Features

  1. Single letter code = Q

  2. Three letter code = Gln

  3. Codons = CAA, CAG

  4. It has a polar but uncharged side chain.

Name the Amino Acid shown below:

Glycine

Features

  • Single letter code = G

  • Three letter code = Gly

  • Codons = GGU, GGC, GGA, GGG

  • It is the simplest amino acid of the 20 amino acids since its side chain only contains a single H atom.

  • Since it’s side chain only contains a single H atom, it is the only amino acid with a central carbon that is not a chiral carbon.

  • It is a special case amino acid.

Name the Amino Acid shown below:

Histidine

Features

  1. Single letter code = H

  2. Three letter code = His

  3. Codons = CAC, CAU

  4. Has a positively charged hydrophilic side chain

Name the Amino Acid shown below:

Isoleucine

Features

  1. Single letter code = I

  2. Three letter code = Ile

  3. Codons = AUA, AUC, AUU

  4. Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Leucine

Features

  1. Single letter code = L

  2. Three letter code = Leu

  3. Codons = CUU, CUC, CUA, CUG

  4. Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Lysine

Features

  1. Single letter code = K

  2. Three letter code = Lys

  3. Codons = AAA, AAG

  4. Has a positively charged hydrophilic side chain.

Name the Amino Acid shown below:

Methionine

Features

  1. Single letter code = M

  2. Three letter code = Met

  3. Codons = AUG

  4. Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Phenylalanine

Features

  1. Single letter code = F

  2. Three letter code = Phe

  3. Codons = UUU, UUC

  4. Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Proline

Features

  1. Single letter code = P

  2. Three letter code = Pro

  3. Codons = CCU, CCC, CCA, CCG

  4. It is a special case amino acid.

  5. Ignore the negative charge next to the H2 N group because that negative charge belongs to the COOH group of glycine.

Name the Amino Acid shown below:

Serine

Features

  1. Single letter code = S

  2. Three letter code = Ser

  3. Codons = AGU, AGC

  4. Has an uncharged polar (hydrophilic) side chain.

Name the Amino Acid shown below:

Threonine

Features

  1. Single letter code = T

  2. Three letter code = Thr

  3. Codons = ACU, ACC, ACA, ACG

  4. Has an uncharged polar (hydrophilic) side chain.

Name the Amino Acid shown below:

Tryptophan

Features

  1. Single letter code = W

  2. Three letter code = Trp

  3. Codons = UGG

  4. Has a non-polar hydrophobic side chain.

Name the Amino Acid shown below:

Tyrosine

Features

  1. Single letter code = Y

  2. Three letter code = Tyr

  3. Codons = UAC, UAU

  4. Has an uncharged polar (hydrophilic) side chain.

Name the Amino Acid shown below:

Valine

Features

  1. Single letter code = V

  2. Three letter code = Val

  3. Codons = GUU, GUC, GUA, GUG

  4. Has a non-polar hydrophobic side chain.

Codon Chart

All 20 amino acids