What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell?
Endocytosis.
In endocytosis, the cell membrane forms a cup-like sac around the molecule, the two lips of the cup meet around the molecule so that a vesicle is formed by the separation of that part of the cell membrane.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
- What is the role of the cell membrane in both active and passive movement of molecules?
- Why does active transport need energy? Where does this energy come from?
- How does the cell membrane change in appearance after exposure to the NaCl?
- How does the structure of the cell membrane relate to its function?
- If our bodies are always regenerating new cells why do we grow old and die?
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