Which one of the following statements is not correct regarding the amino acid, tyrosine, present in protein rich foods?

A) It can help increase energy level.

B) It can cope with emotional and environmental stress.

C) It can combat depression.

D) It can protect against free-radicals responsible for ageing.

This MCQ is part of the UP PSC Previous Year Questions (PYQs) series, focusing on UPPSC Prelims 2013 (GS Paper I)