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carbon dioxide enters a cell through
simple diffusion through plasma membrane
what cell shape has highest ratio of SA:V
cuboidal cell
low NA+ goes to high NA+
NA+ moves out through active transport & ATP hydrolysis
4 cell types w SA:V ratio
cell 2
grape osmosis lab - question about water potential
grape juice and NaCl has lower water potential
how mitochondria membrane folding is beneficial
increases area for proteins and energy transfer
movement of substances across membrane
ions are unable to move through bc phospholipid tails
grape osmosis lab 5 - how will cells gain water
cells will gain water more slowly because of the lack of facillated diffusion
paramecia & highest concentration rate
paramecium 1
how does insullin leave cell
exocytosis - vesicle infuses with membrane
diagrammed microscope view
view 2 because the rate of water in and out of the cell is equal
kidney cell with projections benefit
more SA:V ratio
water potential of root cells in plant
water potential of soil is greater than -0.2 MPa and water potential of leaf is less than -0.2 MPa
SA:V ratio in cube cells with formula
10 uPm
rod shaped bacterium
no membrane around DNA (no nucleus)
why does glucose need a transporter to get into cell
glucose is too big to pass through the plasma membrane
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