Except They Are Not Round.......
a: Amino acid ~
b: pearl
What: "Each amino acid is like an individual pearl; strung together, they form a protein." Or in the case of jewelery they form a pearl necklace.
Useful?
Writer: Not Stated
LCC:
Where:
Date: Apr 30 2013 2:20 PM
# 2819 Critique Analogy