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Large molecules such as glucose that cannot cross the phospholipid bilayer can still move across the membrane through transport proteins by active transport. Active transport uses energy to move molecules the bilayer.

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9y ago
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9y ago

Large molecules such as glucose can not cross the lipid bi layer can still move across the membrane with a concentration gradient by water. Carbon dioxide and oxygen will move large molecules across the gradient as well.

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9y ago

Molecules too large to be moved through the cell membrane can be transported into a cell by endocytosis.

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12y ago

Endocytosis.

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12y ago

active transport

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12y ago

passive transport

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Q: Some materials can move across the cell membrane against a concentration gradient by?
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Related questions

The net flow of materials through the membrane of a cell against a concentration gradient is?

It's Active Transport.


Which transport mechanisms moves materials across a plasma membrane against an apparent concentration gradient?

active transport


The transport of a substance across the cell membrane against its concentration gradient is called what?

The transport of a substance across the cell membrane against its concentration gradient is called active transport.


What is the transport of materials against a concentration gradient called?

The process of moving materials against a concentration gradient is called active transport. Active transport generally uses a protein pump to move molecules from an area of low concentration to an area of high concentration; in order to perform an active transport, the cell must use some of its energy to initiate the reaction.


What is The energy-requiring movement of materials against a concentration gradient?

Active absorption


Which process moves an ion across a cell membrane against a concentration gradient?

ative transport


Transporter protein that carries a substance across a cellular membrane against its concentration gradient?

pump


A transporter protein that carries a substance across a cellular membrane against its concentration gradient?

pump


What is A transporter protein that carries a substance across a cellular membrane against its concentration gradient?

pump


What moves solutes against concentration gradient?

The processes that can move a solute against its concentration gradient are active transport. All cells are enclosed by a plasma membrane that is similar in structure and function.


How does difference in concentration relate to movement of substances across the membrane?

the concentration gradient will help to bring stuff into the cell and to move stuff out. Osmosis likes to move with the concentration gradient. Moving with a concentration gradient is passive transport and moving against it is active transport


What is a characteristic that diffusion and active transport have in common and both process?

Both involve the transport of materials across the cell membrane. Active transport goes against the concentration gradient and requires ATP. Diffusion goes with the concentration gradient, or from high to low concentration, and does not require ATP. ATP is the standard unit of energy in cells.