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Greatly enlarged. Made from SOMSO-PLAST®. Reveals details of cellular structure. Mounted on a stand with green base. Size, 22 x 36 x 30 cm.
Tariffs have driven up the cost of this item significantly. We apologize for the price increase. We are absorbing some of the impact to help teachers but are forced to pass most of it along.
Product Details
Greatly enlarged. Made from SOMSO-PLAST®. On the outside, the cell wall of Gram-positive bacteria has a 20- to 80-nm-thick murein layer (peptidoglycan), which is separated from the cell membrane by the narrow periplasm. Gram-negative bacteria, on the other hand, only have a 2- to 3-nm-thick murein layer, the outside of which is covered in a thin lipoprotein layer. However, both groups develop an outer mucus layer (capsule), which covers the cell in an even thickness. This model shows the basal structure, capsule, flagellum, storage granule, lipoprotein layer, cell membrane, mesosome, murein layer, pilus, polyphosphate granule, polysomes, periplasm, thylakoids, vacuole, and DNA. Note: The model can be removed from its stand but cannot be disassembled.
Product Features
If for any reason you are not satisfied with this item, it is eligible for a return, exchange, refund, or credit up to 180 days from date of purchase. Restrictions may apply. Returns & Exchanges Policy.