Cell Transport


Water potential // Bilayers // Membrane proteins // Cell Transport // Ficks law // Plasma membranes - AS Biology Unit 1 flashcards - AQA
Elena Cade
Flashcards by Elena Cade, updated more than 1 year ago
Elena Cade
Created by Elena Cade over 8 years ago

Resource summary

Question Answer
The Bilayer is made of: Phospholipids
Term used for membrane surrounding the cell: Cell-Surface Membrane
Term used for membrane surrounding an organelle: Plasma Membrane
Term used for a double membrane: Envelope
Carriers and Channels are made of: Proteins
A different in concentration is also known as a: Gradient
Equation for Ficks Law:
Definition of Water Potential: A measure of the ability of water to move
Maximum water potential: 0 KPa
Is Facilitated diffusion passive and why? Yes - because it goes down the concentration gradient
Is active transport passive and why? No - It requires energy in the form of ATP because it goes against the concentration gradient
Properties of molecules transported across bilayer: Non-Polar / Lipid Soulable
Role of Glycoproteins: Cell Recognition
In terms of water potential, describe the direction of movement of water: High water potential to a low water potenial
Process by which water moves: Osmosis
What do Carrier proteins do during active transport: Change shape
What does the term 'net' mean: Overall
Function of plasma membranes: Control and Transport of substances
Show full summary Hide full summary


Function and Structure of DNA
Elena Cade
F211 Cells Keywords and Info
Gurdev Manchanda
AQA Biology 12.1 cellular organisation
Charlotte Hewson
Biological Definitions
AQA Biology 11.2 mitosis
Charlotte Hewson
AQA Biology 11.1 replication of DNA
Charlotte Hewson
Nucleic Acids
Jessica Phillips
AQA Biology 3.3 Structure of an epithelial cell
Charlotte Hewson
Cells and the Immune System
Eleanor H
Unit 1 flashcards
Cell Structure