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Biology, 22.06.2019 09:00
The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer
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Biology, 22.06.2019 13:00
The smallest parts of these that retain their original properties are called
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Biology, 23.06.2019 02:40
Which in counting the age of a tree? a.rings seen in the stemb. height of the treec. width of the tree
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