science education resource

For K-12 Students • Educators • Homeschool Families • Naturalists

rough endoplasmic reticulum

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An organelle that is a bunch of folded membrane pathways spotted with ribosomes. Together the ribosomes and the rough ER make new proteins and new membranes that the cell needs. has more than 2,000 illustrated animals. Read about them, color them, label them, learn to draw them.