Cell Transport

What cell structure is most responsible for maintaining homeostasis in cells?

• Endoplasmic reticulum

• Golgi apparatus

• Cell membrane

• Mitochondria

What is the cell membrane primarily made of?

• Phospholipid bilayer

• Protein bilayer

• Nucleic acid bilayer

• Carbohydrate bilayer

Tags

NGSS.MS-LS1-2

What type of molecules can directly go through the phospholipid bilayer without assistance?

• Very small non-polar molecules

• Large carbohydrates

• Large polar molecules

• Charged ions

What is the movement of molecules from high to low concentration called?

• Facilitated diffusion

• Active transport

• Osmosis

• Simple diffusion

What type of transport requires energy to move molecules against the concentration gradient?

• Passive transport

• Simple diffusion

• Active transport

• Facilitated diffusion

Which molecule powers Active Transport?

• Glucose

• RNA

• DNA

• ATP

What is the process called when a cell takes in a large molecule by fusing it with the cell membrane?

• Pinocytosis

• Exocytosis

• Endocytosis

• Phagocytosis

Tags

NGSS.MS-LS1-2

What is the term for when large molecule exit a cell?

• Facilitated diffusion

• Endocytosis

• Active transport

• Exocytosis

What type of diffusion uses protein channels to help molecules cross the cell membrane?

• Facilitated diffusion

• Active transport

• Simple diffusion

• Osmosis

What is the function of aquaporins?

• Transporting glucose

• Facilitating transport of water

• Breaking down ATP

• Pumping sodium and potassium

Tags

NGSS.MS-LS1-2