What is one difference between a cell wall and a cell membrane? a. call wall have gap junctions. cell membrane have plasmondesmata b. cell walls act as a boundary that nothing can pass through. cell membrane allow materials in and out of cell. c. cell walls are found inside the cell membrane. the cell membrane is the outermost structure of a cell. d. cell walls are made of cellulose. cell membrane are made of protein and phospholipids
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Chemistry, 21.06.2019 16:00
Nickel crystallizes in the face-centered cubic (fcc) lattice. the density of the metal is 8902 kg/m3. calculate the radius of a nickel atom.
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Chemistry, 22.06.2019 13:30
How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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Chemistry, 23.06.2019 05:00
Scientists discovered fossils in several layers of the earth you see here. they found fossils of algae, snails, and clams in layer d. given that information, where do you think they found fossil evidence of simple land plants and amphibians?
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Chemistry, 23.06.2019 05:30
Find the midpoint of a segment with endpoints of 4-3i and -2+7i
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What is one difference between a cell wall and a cell membrane? a. call wall have gap junctions. ce...
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