A Wound String It Is......
a:  Chromatin ~
b:  a ball of yarn
What:  "Chromatin is the very tightly packed form of chromosomes that permit tens of thousands of genes to fit neatly into each tiny human cell. Chromatin is like a ball of yarn made up of chromosomes."
Useful?
Writer:  DR. ALAN PERCY
LCC: 
Where:
Date:   Dec 12 2012  6:41 PM
# 2576 Critique Analogy
