All 20 Amino Acids Flashcards

1
Q

Name the Amino Acid shown below:

A

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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2
Q

Name the Amino Acid shown below:

A

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.
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3
Q

Name the Amino Acid shown below:

A

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.
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4
Q

Name the Amino Acid shown below:

A

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.
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5
Q

Name the Amino Acid shown below:

A

Cysteine

Features

  1. Single letter code = C
  2. Three letter code = Cys
  3. Codons = UGU, UGC
  4. It is a special case amino acid
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6
Q

Name the Amino Acid shown below:

A

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.
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7
Q

Name the Amino Acid shown below:

A

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.
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8
Q

Name the Amino Acid shown below:

A

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.
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9
Q

Name the Amino Acid shown below:

A

Histidine

Features

  1. Single letter code = H
  2. Three letter code = His
  3. Codons = CAC, CAU
  4. Has a positively charged hydrophilic side chain
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10
Q

Name the Amino Acid shown below:

A

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.
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11
Q

Name the Amino Acid shown below:

A

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.
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12
Q

Name the Amino Acid shown below:

A

Lysine

Features

  1. Single letter code = K
  2. Three letter code = Lys
  3. Codons = AAA, AAG
  4. Has a positively charged hydrophilic side chain.
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13
Q

Name the Amino Acid shown below:

A

Methionine

Features

  1. Single letter code = M
  2. Three letter code = Met
  3. Codons = AUG
  4. Has a non-polar hydrophobic side chain.
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14
Q

Name the Amino Acid shown below:

A

Phenylalanine

Features

  1. Single letter code = F
  2. Three letter code = Phe
  3. Codons = UUU, UUC
  4. Has a non-polar hydrophobic side chain.
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15
Q

Name the Amino Acid shown below:

A

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.
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16
Q

Name the Amino Acid shown below:

A

Serine

Features

  1. Single letter code = S
  2. Three letter code = Ser
  3. Codons = AGU, AGC
  4. Has an uncharged polar (hydrophilic) side chain.
17
Q

Name the Amino Acid shown below:

A

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.
18
Q

Name the Amino Acid shown below:

A

Tryptophan

Features

  1. Single letter code = W
  2. Three letter code = Trp
  3. Codons = UGG
  4. Has a non-polar hydrophobic side chain.
19
Q

Name the Amino Acid shown below:

A

Tyrosine

Features

  1. Single letter code = Y
  2. Three letter code = Tyr
  3. Codons = UAC, UAU
  4. Has an uncharged polar (hydrophilic) side chain.
20
Q

Name the Amino Acid shown below:

A

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.
21
Q

Codon Chart

A
22
Q

All 20 amino acids

A