Homework 10-25-19_Unit 2A Cell Structure and Transport Review

Fructose, glucose and lactose are examples of_______

• lipids

• carbohydrates

• nucleic acids

• proteins

What kind of cell has mitochondria, chloroplast, cell wall with cellulose, and has DNA?

• prokaryotic cell

• a virus

• a plant cell

• an animal cell

How are chloroplasts and mitochondria different?

• chloroplasts make ribosomes while mitochondria makes energy

• chloroplasts makes sugar glucose while mitochondria breaks down glucose to make energy

• chloroplasts makes cytoplasm while mitochondria breaks down cytoplasm to make energy

• chloroplasts store wastes while mitochondria breaks down wastes

What kind of transport does not require energy?

• Active 
• Vacuole 
• Passive 
• Na/K Pump 

What is something that prokaryotic and eukaryotic cells have in common?

• They have a nucleus. 
• They are multi-cellular. 
• They have DNA. 
• They have organelles that are membrane-bound.

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 

All of the following statements are true about prokaryotic cells EXCEPT 

• No nucleus 
• They are simple and small 
• Have a cell wall 
• Have organelles 

Which of the following is the best example of osmosis? 

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

What are the 2 parts of a phospholipid? 

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