cell organelles and membrane transport

What organelle of the cell produces energy?

• Mitochondria 
• Golgi Body 
• Vesicle 
• Vacuole 

What structure of the cell forms a frame that holds the cell up in the cytoplasm?

• centrioles 
• cell wall 
• flagella 
• cytoskeleton 

What is facilitated diffusion?

• Transport that uses proteins to help move molecules across the membrane. 
• Movements of substances through a membrane. 
• When molecules spread from High to Low concentration on their own. 
• When pressure pushes something through a membrane. 

What macromolecules help to make the cell membrane? 

• Proteins 
• Carbohydrates 
• Phospholipids 
• All of the above 

Which of the following is the best example of osmosis? 

• NA/K Pump 
• Water moving though the cell membrane 
• Kidneys 
• Photosynthesis 

What is an isotonic solution?

• When solutions are in equilibrium 
• When the solution has more solute 
• When the solution has less solute 
• Has a greater pressure 

What are the 2 parts of a phospholipid? 

• Hydrophobic head, hydrophilic tails 
• Hydrophobic heads, hydrophobic tails 
• Hydrophilic heads, hydrophobic tails 
• Hydrophilic heads, hydrophilic tails 

The nuclear envelope encloses the nucleus and its contents.

• True 
• False 

Which of the following is correct about the Golgi? 

• Digests waste materials 
• Protection and Support 
• Modifies and packages molecules 
• cellular movement 

Molecules using simple diffusion move from 

• high to low concentrations 
• low to high concentrations 
• no concentrations  
• both concentrations