CK12 Life Science

Points to Consider

• Think about what molecules would need to be transported into cells.


• Discuss why it would be important for some molecules to be kept out of a cell.

Image Sources

(1) http://commons.wikimedia.org/wiki/Image:Rhoeo_Discolor_epidermis.jpg.

GNU- FDL.

(2) http://commons.wikimedia.org/wiki/Image:

Pyramidal_hippocampal_neuron_40x.jpg. CC-BY-SA 2.5.

(3).

(4) Nutloaf.http://www.flickr.com/photos/83371410@N00/1644090403/. CC-BY 2.0.

(5) http://commons.wikimedia.org/wiki/Image:Plant_cell_structure_svg.svg.

Public Domain.

(6) CK-12 Foundation.

http://commons.wikimedia.org/wiki/File:Prokaryote_cell_diagram.svg.

Public Domain.

(7) http://commons.wikimedia.org/wiki/Image:Animal_cell_structure.svg. Public

Domain.

(8) Dartmouth Electron Microscope Facility.

http://commons.wikimedia.org/wiki/File:Misc_pollen.jpg. Public Domain.

(9) http://commons.wikimedia.org/wiki/Image:Microphoto-cells-onion2.jpg.

GNU-FDL.

(10) CK-12 Foundation. http://commons.wikimedia.org/wiki/Image:
Mitochondria%2C_mammalianlung-TEM%282%29.jpg. Public Domain.

(11) CK-12 Foundation.
http://commons.wikimedia.org/wiki/Image:Diagram_human_cell_nucleus.svg.
Public Domain.

(12) NCI.http://commons.wikimedia.org/wiki/File:SEM_blood_cells.jpg. Public
Domain.

(13) Thomas Dreps.http://en.wikipedia.org/wiki/Image:Chloroplasten.jpg.
CC-BY-SA.