'Types of these, such as methionine & leucine, link up to form proteins'
amino acids
THE FACTS OF LIFE: Types of these, such as methionine & leucine, link up to form proteins
Types of these, such as methionine & leucine, link up to form proteins
Types of these, such as methionine & leucine, link up to form proteins
THE FACTS OF LIFE
amino acids
THE FACTS OF LIFE