Term
| ______ is when a substance crossed the cell membrane without any input of energy by the cell. |
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Definition
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Term
| Diffusion takes place from an are of _________concentration to an area __________ concentration. |
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Definition
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Term
| ____________is when the concentration of molecules will be the same throughout the space the molecules occupy. |
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Definition
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Term
| ________is diffusion across the membrane |
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Definition
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Term
| __________is the process by which water passes into or out of a cell. |
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Definition
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Term
| As a result of diffusion, the concentration of many types of substances eventually becomes ________ on both sides of a membrane. |
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Definition
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Term
| _____________are organelles that regulate water levels in paramecia. |
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Definition
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Term
| ___________is the pressure that water molecules exert against the cell wall. |
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Definition
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Term
| __________is when the cells shrink away from the cell walls, and turgor pressure is lost. |
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Definition
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Term
| _________is the bursting of cells. |
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Definition
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Term
| ___________________is the movement of large molecules across the cell membrane is assisted by specific proteins in the membrane. |
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Definition
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Term
Characteristics of facilitated diffusion are: It requires a _________.
It requires No _________input.
It involves a change in the ________ of its carrier. |
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Definition
carrier protein,
energy
shape |
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Term
| An example of facilitated diffusion is: |
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Definition
| sugar molecules enter cells. |
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Term
| _____________transport ions through the membrane. |
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Definition
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Term
| ___________________is when materials move from an area of lower concentration to an area of higher concentration. |
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Definition
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Term
| Active transport systems are a form of cell transport that requires energy from molecules of _____________ |
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Definition
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Term
| Active transport allows a cell to stockpile substances in far _________ concentrations than they occur _________ the cell. |
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Definition
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Term
| molecules that are too large to be moved through the membrane can be transported into the cell by ___________ |
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Definition
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Term
| An example of active transport performed by a membrane cell pump is: A calcium ion channel will allow only ____________ions to pass through it. |
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Definition
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Term
| ___________________transports Na+ & K+ ions up their concentration gradients. |
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Definition
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Term
| Sodium-potassium pumps usually pump _________________into the cell. |
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Definition
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Term
| sodium-potassium pumps help in conduction of_________________ |
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Definition
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Term
| _____________supplies the energy that drives the pump. |
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Definition
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Term
| some substances are too large to pass through the cell membrane by transport processes, so they must undergo_________or___________. |
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Definition
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Term
| ______________means "cellular drinking" |
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Definition
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Term
| ________________means "cellular eating" |
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Definition
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Term
| An example of phagocytosis is an: |
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Definition
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Term
| _________is ridding the cell of material by discharging it from sacs at the cell surface. |
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Definition
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Term
| molecules that are too large to be moved across a cell membrane can be removed from a cell by ________________ |
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Definition
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