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Does active transport get substances across a cell membrane?

Yes, active transport is a process that uses energy to move substances across a cell membrane against their concentration gradient. This enables the cell to accumulate certain molecules or ions inside the cell or remove them from the cell.


The movement of substances across the cell membrane that requires the cell to use energy?

It's called active transport. When talking about the cell, it is usually bigger substances that use passages in the cell membrane to access the inner part of the cell, and they need energy to get there. The opposite; passive transport or diffusion, is the movement of dissolved materials through a cell membrane without the use of cellular energy. THis happens with smaller substances.


How does active transport work against the concentration gradient to move substances across a cell membrane?

Active transport is a process in which cells use energy to move substances against their concentration gradient, from an area of low concentration to an area of high concentration, across the cell membrane. This is achieved by using specialized proteins called pumps that actively transport the substances across the membrane, requiring energy in the form of ATP.


The use of energy to move substances across a cell membrane describes?

Active transport, which requires energy in the form of ATP to move substances against their concentration gradient across a cell membrane. This process involves specific protein pumps that bind to the molecule being transported, consuming ATP to change conformation and move the molecule across the membrane.


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 are 2 ways that substances across the cell membrane without using energy?

simple diffusion, facilitated diffusion, and osmosis (water)


How is active transport similar to facilitated diffusion in terms of their mechanisms of moving substances across the cell membrane?

Active transport and facilitated diffusion are both mechanisms used by cells to move substances across the cell membrane. Both processes require the use of specific proteins embedded in the cell membrane to facilitate the movement of substances. However, the key difference between the two is that active transport requires energy input from the cell to move substances against their concentration gradient, while facilitated diffusion does not require energy and moves substances down their concentration gradient.


How does passive transport move substances across a cell membrane in the direction of their concentration gradient?

Passive transport moves substances across a cell membrane in the direction of their concentration gradient without requiring energy input from the cell. This process relies on the natural movement of molecules from areas of high concentration to areas of low concentration, facilitated by protein channels or carriers in the cell membrane.


Substances that move across a cell membrane without using energy?

Passive transport is the movement of substances across a cell membrane without the use of energy. This process includes simple diffusion, facilitated diffusion, and osmosis. These mechanisms rely on the concentration gradient to drive the movement of molecules.


How do you use passive transport in a sentence?

Passive transport is a process in cells where substances move across the cell membrane without requiring energy input. An example of passive transport is the movement of oxygen and carbon dioxide across the cell membrane through simple diffusion.


How does a protein transport substances across a cell membrane?

carrier protein


What are the processes involved in moving substances across the cell membrane?

Diffusion