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Identify the essential amino acids among the following.
(a) Leucine (b) Valine (c) Glycine
(d) Lysine (e) Serine
A. a, b and c
B. b, d and c
C. a, b and d
D. b, d and c


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Last updated date: 20th Jun 2024
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Answer
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Hint: Essential amino acids are those amino acids which cannot be prepared by our body and thus it should be obtained through our diet. There are a total 9 amino acids and their symbols are L, K, V, I, H, W, F, T, M.

Complete step by step solution:
From your chemistry lessons you have learned about the Amino acids and their function.
Amino acids are organic compounds which are made up of carbon, hydrogen, nitrogen and oxygen and also a variable side chain group. Proper function and growth of the body is controlled by 20 different amino acids and all are equally important.
Amino acids play many important roles in our body and are also called the building block of proteins. They are needed to perform some of the vital processes like synthesis of hormone, building proteins and as neurotransmitters.
Amino acids are categorized as essentially, non- essential and conditionally essential or non- essential which depends on several factors.
Though all the 20 different amino acids are important for your body and health but among them only 9 amino acids are classified as essential amino acids. Essential amino acids are those amino acids which cannot be prepared by our body and thus it should be obtained through our diet.
Essential amino are leucine(L), histidine(H), valine(V), methionine(M), tryptophan(W), isoleucine(I), lysine(K) and phenylalanine(F).
All the nine essential amino acids have different roles to perform in our body such as in tissue growth, nutrient absorption, energy production and immune function.
The best sources of this acid are animal protein such as eggs, meat and poultry. When you take the protein your body tends to break it into amino acids and then use it to help in building muscle and in regulating immune function, etc.

Thus the correct option will be (C).

Note: Non- essential amino acids are those amino acids which are synthesised in our body. Some of the non-essential amino acids are also classified as conditionally essential amino acids but only under specific circumstances such as stress or illness. An example of conditionally essential amino acid is arginine which is actually a non-essential amino acid.