Browse Questions

# Essential amino acids are

$\begin{array}{1 1}(a)\;\alpha\text{ amino acids which are needed for health and growth of human being and are synthesised by human body}\\(b)\;\alpha\text{ amino acids which are needed for health and growth of human being but are not synthesised by human body} \\(c)\;\alpha\text{ amino acids which are needed for health and growth of human being but are not synthesised by human body}\\(d)\;\alpha\text{ amino acids which are needed for health and growth of human being and are synthesised by human body}\end{array}$

$\alpha$ amino acids which are needed for health and growth of human being but are not synthesised by human body. For example valine, leucine, phenylalanine.
Hence (b) is the correct answer.