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What Substances is not reabsorbed by blood after it passes through the kidneys?
wastes
What happens to light when it passes through different substances?
it refracts
What controls what passes in and out of cells?
Cell membranes control what passes in and out of cells. They are selectively permeable, meaning they allow certain substances to enter or exit the cell while blocking others. This regulation helps maintain the internal environment of the cell and ensures proper functioning.
Through which organelle do substances enter or leave a cell?
Substances pass through the plasma membrane, although ot is not technically an organelle.
Where does oxygen go after it passes through the the cell membrane?
The Mitochondria
Substances produced in a cell and exported outside of the cell would pass through the?
Substances produced in a cell and exported outside of the cell would pass through the cell's plasma membrane via a process called exocytosis. Exocytosis involves the fusion of vesicles containing the substances with the plasma membrane, allowing the substances to be released outside the cell.
Why is a cell membrane called semi-permeable or selectively permeable?
As the cell membrane only allows certain substances to enter or leave the cell, meaning that while it IS permeable (as some substances can cross it), it is only selectively as not all substances are able to cross it, only some.
Where does electric current pass?
Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.
How are diffusion and facilitated diffusion similar?
Substances enter a cell through the cell membrane
What is a type of diffusion in which water passes through a cell membrane?
Osmosis
What term describes a cell membrane's ability to let substances through?
Selective permeability is the term that describes a cell membrane's ability to allow certain substances to pass through while blocking others. This is essential for maintaining cellular function and regulating the internal environment of the cell.
What two substances would be gained by blood as it passes through the small intestine?
blood and sperm
