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Osmosis, diffusion, facilitated diffusion, active transport, passive transport.

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13y ago

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When is a substance most likely to diffuse into a cell?

If there is the concentration of substance inside the cell is lesser than outside and cell membrane is permeable to the substance.


What substance cannot be moved into a cell by osmosis or diffusion?

Large molecules such as proteins cannot be moved into a cell by osmosis or diffusion due to their size and charge. These molecules require specialized transport mechanisms such as active transport to enter the cell.


Identify the terms endocytosis and exocytose and distinguish between them?

Endocytosis is the process by which cells absorb material by engulfing it with their cell membrane to form a vesicle. Exocytosis is the process by which cells expel material by fusing a vesicle containing the material with the cell membrane, releasing its contents outside the cell. Endocytosis brings materials into the cell, while exocytosis expels materials out of the cell.


What of a cell allows material to enter and exit the cell?

Which statements describe the cell membrane? Check all that apply. It only allows certain materials to leave the cell. It allows all materials to leave the cell. It only allows certain materials to enter the cell. It allows all materials to enter the cell. It helps the cell get rid of waste. It brings waste into the cell for storage.


While conducting an experiment you discover a certain substance passing out of a cell by diffusion what might you conclude about the concentration of this substance?

If a substance is passing out of a cell by diffusion, it suggests that the concentration of the substance is higher inside the cell than outside. This movement is driven by the substance's tendency to move from an area of higher concentration to an area of lower concentration to reach equilibrium.

Related Questions

When a substance wants to enter the cell it binds to what?

When a substance wants to enter a cell it goes through the cell membrane in a process called endocytosis.


How substance are able to enter and exit a cell?

osmosis


Which substance can enter a cell by diffusion without have to be digested?

water


What is the characteristic of a cell membrane that controls which substance can enter and exits the cell?

Selective permeable


What is the characteristic of a cell membrane that control which substance can enter and exit the cell?

Selective permeable


What is a characteristic of a cell membrane that controls which substance can enter and exit the cell?

Selective permeable


What is the characteristic of cell membrane that controls which substance can enter and exit the cell?

Selective permeable


What do cell membranes allow?

Cell membranes allow the regulation of what enters and exits the cell, maintaining cell homeostasis. They also provide structural support and separate the cell's internal environment from the external environment. Additionally, cell membranes facilitate cell communication and recognition.


What substance on the plasma membrane help identify chemical signal from outside the cell?

either cilia or protienhs


What are at least five reason why you are selecting a cell?

Enter data in the cellChange data in the cellHighlight the cell for some operationInclude the cell in a rangeView formula within cell


Cell membranes usually allow what substances to enter a cell?

Cell membranes usually allow water, gases (such as oxygen and carbon dioxide), and small uncharged molecules to enter a cell. Larger molecules or charged ions may require specific transport proteins or channels to cross the membrane.


What is it called when a part of a cell membrane closes around a molecule to allow the molecule to enter the cell?

This is called endocytosis.