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active transport
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What is it called when a molecule uses energy to move across a semipermeable?
active transport
What uses a protein to move a molecule across a membrane without energy?
Facilitated diffusion uses proteins to move a molecule across the cell membrane without energy.
What used a protein to move a molecule across a cell membrane without energy?
Facilitated diffusion uses proteins to move a molecule across the cell membrane without energy.
Movement of substances from higher to lower concentration across a semipermeable membrane that must have a specific protein carrier but no energy expenditure is called?
Facilitated diffusion is the movement of substances from higher to lower concentration across a semipermeable membrane with the help of specific protein carriers, without requiring energy input.
What require the use of energy to move a molecule across a cell membrane?
Active transport
What required the use of energy to move a molecule across a cell membrane?
Active transport
What process requires energy to bring molecule across the cell membrane?
active transport
What is it called when a molecule uses energy to move across a semiseprable membrane?
active transport
what is exact definition of osmosis?
Osmosis is the movement of solvent molecules (usually water) across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration, in order to equalize the concentration of solute on both sides of the membrane. It is a passive process that does not require energy.
Why isn't energy required for the passenger molecule to be carried across the cell membrane by the carrier molecule?
it is carring substances both into and out of the cells.
What is is when a molecule moves across a membrane through a protein channel without using energy?
Passive Transport
Does osmosis use energy?
Yes, osmosis is a passive process that does not require energy input. It involves the movement of water molecules across a semipermeable membrane from an area of high water concentration to an area of low water concentration.
