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N H
3
+
CH C
O
O
H
N H
3
+
CH C
O
O
CH
3
N H
3
+
CH C
O
O
CH
C H
3
CH
3
N H
3
+
CH C
O
O
CH
2
CH
C H
3
CH
3
N H
3
+
CH C
O
O
CH
C H
2
CH
3
C H
3
N H
3
+
CH C
O
O
CH
2
OH
N H
3
+
CH C
O
O
CH
C H
3
OH
N H
3
+
CH C
O
O
CH
2
SH
N H
3
+
CH C
O
O
CH
2
CH
2
S
CH
3
N H
2
+
CH C
O
O
N H
3
+
CH C
O
O
CH
2
N H
3
+
CH C
O
O
CH
2
OH
N H
N H
3
+
CH C
O
O
CH
2 N H
3
+
CH C
O
O
CH
2
C
O
O
N H
3
+
CH C
O
O
CH
2
CH
2
C
O
O
N H
3
+
CH C
O
O
CH
2
C
O
NH
2
N H
3
+
CH C
O
O
CH
2
CH
2
C
O
NH
2
CH
2
N H
3
+
CH C
O
O
CH
2
CH
2
CH
2
N H
3
+
CH
2
N H
3
+
CH C
O
O
CH
2
CH
2
NH
C
N H
2
NH
2
+
N
N
N H
3
+
CH C
O
O
CH
2
H
Page 2


N H
3
+
CH C
O
O
H
N H
3
+
CH C
O
O
CH
3
N H
3
+
CH C
O
O
CH
C H
3
CH
3
N H
3
+
CH C
O
O
CH
2
CH
C H
3
CH
3
N H
3
+
CH C
O
O
CH
C H
2
CH
3
C H
3
N H
3
+
CH C
O
O
CH
2
OH
N H
3
+
CH C
O
O
CH
C H
3
OH
N H
3
+
CH C
O
O
CH
2
SH
N H
3
+
CH C
O
O
CH
2
CH
2
S
CH
3
N H
2
+
CH C
O
O
N H
3
+
CH C
O
O
CH
2
N H
3
+
CH C
O
O
CH
2
OH
N H
N H
3
+
CH C
O
O
CH
2 N H
3
+
CH C
O
O
CH
2
C
O
O
N H
3
+
CH C
O
O
CH
2
CH
2
C
O
O
N H
3
+
CH C
O
O
CH
2
C
O
NH
2
N H
3
+
CH C
O
O
CH
2
CH
2
C
O
NH
2
CH
2
N H
3
+
CH C
O
O
CH
2
CH
2
CH
2
N H
3
+
CH
2
N H
3
+
CH C
O
O
CH
2
CH
2
NH
C
N H
2
NH
2
+
N
N
N H
3
+
CH C
O
O
CH
2
H
Leucine
(LEU)
Valine
(VAL)
Alanine
(ALA)
Glycine
(GLY)
Cysteine
(CYS)
Threonine
(THR)
Serine
(SER)
Isoleucine
(ILE)
Tyrosine
(TYR)
Phenylalanine
(PHE)
Proline
(PRO)
Methionine
(MET)
Asparagine
(ASN)
Glutamic
Acid
(GLU)
Aspartic
Acid
(ASP)
Tryptophan
(TRP)
Histidine
(HIS)
Arginine
(ARG)
Lysine
(LYS)
Glutamine
(GLN)
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FAQs on Amminoacids-structural formula with diagram

1. What is the structural formula of amino acids?
Amino acids have a common structure consisting of an amino group (-NH2), a carboxyl group (-COOH), and a side chain (R group) attached to a central carbon atom. The structural formula of amino acids can be represented as H2N-CHR-COOH, where R represents the side chain specific to each amino acid.
2. How many different amino acids are there?
There are 20 different amino acids commonly found in proteins. Each amino acid has a unique side chain that gives it specific properties and functions.
3. Can you explain the diagram of an amino acid?
The diagram of an amino acid typically shows the central carbon atom (C) bonded to four different groups: an amino group (NH2), a carboxyl group (COOH), a hydrogen atom (H), and the side chain (R group). The R group varies for each amino acid, making it unique.
4. How are amino acids linked together to form proteins?
Amino acids are linked together through a process called peptide bond formation. The carboxyl group of one amino acid reacts with the amino group of another amino acid, resulting in the formation of a peptide bond. This reaction releases a molecule of water, and the resulting chain of amino acids is called a polypeptide.
5. What is the role of amino acids in the human body?
Amino acids play crucial roles in the human body. They are the building blocks of proteins and are involved in various biological processes such as muscle growth and repair, enzyme synthesis, hormone production, and immune system function. Additionally, some amino acids can be converted into neurotransmitters or used as a source of energy when needed.
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