UNIT 2 BIO QUESTIONS

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16 Terms

1

carbon dioxide enters a cell through

simple diffusion through plasma membrane

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2

what cell shape has highest ratio of SA:V

cuboidal cell

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3

low NA+ goes to high NA+

NA+ moves out through active transport & ATP hydrolysis

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4

4 cell types w SA:V ratio

cell 2

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5

grape osmosis lab - question about water potential

grape juice and NaCl has lower water potential

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6

how mitochondria membrane folding is beneficial

increases area for proteins and energy transfer

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7

movement of substances across membrane

ions are unable to move through bc phospholipid tails

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8

grape osmosis lab 5 - how will cells gain water

cells will gain water more slowly because of the lack of facillated diffusion

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9

paramecia & highest concentration rate

paramecium 1

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10

how does insullin leave cell

exocytosis - vesicle infuses with membrane

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11

diagrammed microscope view

view 2 because the rate of water in and out of the cell is equal

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12

kidney cell with projections benefit

more SA:V ratio

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13

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

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14

SA:V ratio in cube cells with formula

10 uPm

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15

rod shaped bacterium

no membrane around DNA (no nucleus)

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16

why does glucose need a transporter to get into cell

glucose is too big to pass through the plasma membrane

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