The cell is protected from the outside environment by the
 cell membrane
 cytoplasm
 shell
 vacuole
Question 9 (Multiple Choice Worth 2 points)
Which organelle is responsible for controlling the cell's activities?
 Mitochondria
 Ribosome
 Nucleus
 Endoplasmic reticulum
Question 10 (Multiple Choice Worth 2 points)
The ribosomes are responsible for what?
 Digestion
 Storage
 Manufacturing proteins
 Transportation within the cell