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