Cell Structure: Organelles

What are tiny organelles that transfer energy from organic molecules to ATP?

• Ribosomes
• Vesicles
• Cytoskeleton
• Mitochondria

A rigid layer that lies outside the cell's plasma membrane is...

• Cytoskeleton
• Cilia
• Cell Wall
• Flagella

What only allows certain molecules to enter or leave the cell, and separates the internal metabolic reactions from the external environment? 

• Plasma Membrane
• Nucleus 
• Mitochondria
• Ribosomes

In what organelle is the genetic material found inside?
 

• Endoplasmic Reticulum
• Golgi Complex
• Nucleolus
• Nucleus

What organelle is found inside a nucleus and creates the ribosomes?

• Nucleus
• RIbosome
• Nucleolus
• Lysosome