Transport Across the Cell Membrane Flashcards
What does the cell membrane do?
It controls what enters & exits the cell
What component does the cell membrane possess that allows molecules to exist and enter ?
Selectively Permable
What does it allow?
Liquid & Gases
What are the components?
Proteins & Phosolipids
What is the proteins for?
For structure & VIP
What will happen to the animal cell if its placed in pure water?
It will burst
What will happen to the animal cell if its placed in a strong sugar/salt solution ?
It will shrink
What will happen to the plant cell if its placed in a strong sugar/salt solution ?
Plasmolyed
What will happen to the plant cell if its placed in pure water?
It will become turgid
% change formula?
End Mass - Start Mass
________________________ Start Mass *100
What are the molecules involved in diffusion?
Glucose
Oxygen
Carbon Dioxide
What are the molecules involved in osmosis?
Water
What are the molecules involved in Active Transport ?
Ions & Molecules
What is the concentration gradient in diffusion?
High to Low
What is the concentration gradient in osmosis ?
High to low
What is the concentration gradient in active Transport ?
Low to high (Against)
Is energy required in diffusion?
❌ ( passive)
Is energy required in osmosis ?
❌ -Passive