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Cells in Organisms
Matter and Energy Cycles
Plant and Animal Adaptations
DNA and Chromosomes
Sexual and Asexual Reproduction
Cells to Body Systems
Image credit: NIH, National Human Genome Institute (Darryl Leja)
The Endoplasmic Reticulum (ER) carries proteins and other materials from one part of the cell to another. It is attached to the outside of the nucleus.
Smooth Endoplasmic Reticulum does not have ribosomes while Rough endoplasmic Reticulum has ribosomes.
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