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Molecules are moving against a 'concentration' gradient. Active transportation moving from low to high concentration, while passive transportation such as osmosis and diffusion go from high to low concentration.
What else can I help you with?
Do facilitated diffusion require energy?
No energy is needed because it's a part of passive transport, not active transport.
How much energy is needed for passive transport?
None
What type of energy does active transport require?
Active transport requires energy in the form of ATP (adenosine triphosphate) to move substances against their concentration gradient across a cell membrane. This process is essential for maintaining proper cellular function and balance.
The energy needed for active transport is usually supplied by what?
The energy needed for active transport is usually supplied by ATP, adenosine triphosphate. ATP provides the necessary energy for transporting molecules across a cell membrane against their concentration gradient. This process is essential for maintaining cell homeostasis and various cellular processes.
How is passive transport different then active transport?
Passive transport does not require energy input and relies on the concentration gradient to move molecules across the cell membrane. Active transport requires energy (usually in the form of ATP) to move molecules against the concentration gradient.
What is a key characteristic of passive transport?
No energy is needed. Transportation costs no ATP
Why is energy needed for the active transport?
Energy is needed for active transport because this process moves molecules against their concentration gradient, from areas of lower concentration to areas of higher concentration. Unlike passive transport, which relies on natural diffusion due to concentration differences, active transport requires energy, typically in the form of ATP, to power transport proteins in the cell membrane. This allows cells to maintain necessary concentrations of ions and nutrients, which are crucial for various cellular functions.
Describe the two methods of active transport?
Active transport involves the movement of molecules against their concentration gradient, requiring energy input. Two methods of active transport include primary active transport, where energy from ATP is directly used to move molecules, and secondary active transport, where the movement of one molecule down its gradient provides energy to transport another molecule against its gradient.
What type of transport place when a protein allows an ion to enter a cell but no additional energy is needed?
facilitated
What is the differece between passive and active transport?
Active transport is the movement of molecules across a membrane requiring energy to be expanded by the cell. ACTIVE TRANSPORT REQUIRES ENERGY. Passive transport is diffusion across a membrane requiring only random motion of molecules with no energy expanded by the cell. PASSIVE TRANSPORT REQUIRES NO ENERGY.
High energy electrons that move down the electron transport chain ultimately provide the energy needed to?
of course it is break glucose into pyruvic acid.
How do animals transport materials?
Energy comes from fatty acids which form from excess glucose( sugar) and lipids( fats). When energy is needed these fatty acids cross into the mitochondria and are broken down into acetyl choline- which is the energy block. Animals, therefore, transport energy in fat cells.
