NUTRITION
THE HUMAN BODY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How many different amino acids are there?
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4
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20
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6
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46
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Explanation:
Detailed explanation-1: -Of these 20 amino acids, nine amino acids are essential: Phenylalanine. Valine.
Detailed explanation-2: -Your body needs 20 different kinds of amino acids to function correctly. These 20 amino acids combine in different ways to make proteins in your body. Your body makes hundreds of amino acids, but it can’t make nine of the amino acids you need. These are called essential amino acids.
Detailed explanation-3: -There are 22 amino acids that are found in proteins and of these, only 20 are specified by the universal genetic code. The others, selenocysteine and pyrrolysine use tRNAs that are able to base pair with stop codons in the mRNA during translation.
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