AimAim: How does the structure of the cell : How does the structure of the cell membrane contribute to its function?membrane contribute to its function?

Como afecta la estructura de la Como afecta la estructura de la membrana celular a su funcion?membrana celular a su funcion?

Functions of the cell MembraneFunctions of the cell MembraneFunciones de la membrana celularFunciones de la membrana celular ProtectionProtection Controls what Controls what

enters and exitsenters and exits Has Receptors: Has Receptors:

Allows for cell Allows for cell communicationcommunication

• Proteccion• Controla lo que

entra y sale• Tiene

receptores lo ayuda a la comunicacion celular

Receptors/ ReceptoresReceptors/ Receptores

RECEPTORSReceptors (proteins in the membrane) allow for cell to cell communication. Son proteinas que permiten la comunicacion celular al recibir hormonas y neurotransmisores.

By receiving hormones andneurotransmitters

Cell membrane StructureCell membrane Structure Lipids/ LipidosLipids/ Lipidos

Proteins/Proteins/ProteinasProteinas

Proteins and Lipids Proteins and Lipids

PROTEIN Lipid

Fluid: because the membrane moves Mosaic : because it is made of many pieces Se le llama un mosaico fluido:Mosaico- tiene muchas piezasFluido- La memebrana se mueve

The cell membrane is SEMI-The cell membrane is SEMI-PERMEABLE-it allows materials PERMEABLE-it allows materials

throughthrough

Permeable-

La membrana celular es semi- permeable porque permite que pasen algunos materiales•materiales pequenos como la glucosa. El almidon es muy grande y no pasa

Do all things get through the cell Do all things get through the cell membrane?membrane?

SELECTIVELY PERMEABLE