Chapter 4.3

Question 1

What are Free Ribosomes?

Answer 1

Ribosomes suspended in the cytosol

Question 2

Describe Gene Regulation

Answer 2

• Genes are turned on and off from day to day
• Their products are need or not

-many genes permanently turned off in any given cell
(epithelial cells has 46 chromosomes - have code for other functions, but only turn on for specific function)