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What is the net movement of substances to regions of lower concentration called?
This process is called diffusion. If the substance moving is water, it is called osmosis.
What cells structures is associated with the breakdown of harmful substances or substances that are no longer needed by the cell?
Lysosomes are cell structures associated with the breakdown of harmful substances or substances that are no longer needed by the cell. They contain enzymes that help break down these materials for recycling or disposal.
What is net movement of substances across plasma membrane without additional energy?
Diffusion. With the need of energy, it would be called active transport.
Does epithelium cell have mitochondria?
So that lots of ATP can be produced, which can then release energy for active transport. Remember that epithelial cell are cells that release substances and can take substances in (exocytosis and endocytosis). This requires energy, so there are therefore lots of mitochondria.
What ist he function of the mitochondria?
it is the "power house" of a cell, and changes substances within the cell into energy.
What will be the direction of net movement in this case?
The direction of net movement will depend on the concentration gradient. Substances will generally move from an area of higher concentration to an area of lower concentration, until equilibrium is reached.
Cell structures is not associated with the breakdown of harmful substances or substances that are no longer needed by the cell?
Mitochondria Lysomes, vacuoles, and peroxisomes play a role in the breakdown of substances that are no longer needed by the cell while the mitochondria does not. Mitochondria is used for the production of ATP.
What is the net movement of substances to regions of lower concentration called?
This process is called diffusion. If the substance moving is water, it is called osmosis.
What cells structures is associated with the breakdown of harmful substances or substances that are no longer needed by the cell?
Lysosomes are cell structures associated with the breakdown of harmful substances or substances that are no longer needed by the cell. They contain enzymes that help break down these materials for recycling or disposal.
What Aids the movement of substances into and out of the cell.?
protein channels aid the movement of substances into and out of the cell.
Does some diffusion require energy?
No. Diffusion is a natural occurrence of the net movement of substances from a region of higher concentration to a region of lower concentration (down the concentration gradient).
Does mitochondria have a tails?
No, mitochondria are organelles in a cell. Tails, or specifically flagella, are used for movement, and since mitochondria do not need to move from one place to another, they do not have tails.
Was there net movement of glucose in either direction?
There was a net movement of glucose into the cell through facilitated diffusion.
What part of the cell breaks down substances to produce energy for the cell?
Mitochondria
What substances releases mitochondria?
They release mainly CO2.It is a waste material of respiration.
What is net movement of substances across plasma membrane without additional energy?
Diffusion. With the need of energy, it would be called active transport.
What is the movement of substances?
any gas
