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Question
Define the following term:
Essential amino acids
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Solution
Amino acids that cannot be synthesised in the human body and must be obtained through diet are known as essential amino acids.
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RELATED QUESTIONS
The melting points and solubility in water of amino acids are generally higher than those of the corresponding halo acids. Explain.
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Differentiable between the following:
Essential amino acids Non-essential amino acids
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| I | II |
| (i) Amino acids | (A) protein |
| (ii) Thymine | (B) Nucleic acid |
| (iii) Insulin | (C) DNA |
| (iv) phosphodiester linkage | (D) Zwitter ion |
Which of the following is the best matched options?
Lysine, \[\begin{array}{cc}
\ce{H2N - (CH2)4 - CH - COOH}\\
\phantom{.....}|\\
\phantom{........}\ce{NH2}
\end{array}\] is:
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(ii) Basic amino acid
(iii) Amino acid synthesised in body
(iv) β-Amino acid
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Amino acid are least soluble in water.
Which of the following X – amino acids is not optically active?
Define Zwitter ion
