During periods of drought, the leaves of desert trees often become a dietary staple for certain populations. Which of the following amino acids, present in sufficient quantity in the leaves, satisfies an essential nutrient requirement?

Question

Quizplus · Accepted Answer

Methionine is an essential amino acid, meaning it must be obtained from the diet as the body cannot synthesize it. The other options are non-essential amino acids.  Essential amino acids are so-called because they cannot be synthesized at all or in adequate amounts to serve the needs of the body. Of the amino acids listed, only methionine is an essential amino acid and is thus likely to be present in the leaves of the desert trees.

During Periods of Drought, the Leaves of Desert Trees Often