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  • Water molecules
  • Certain ions
  • Certain essential proteins
  • Hydrophobic steroid molecules
  • Certain hormones
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15y ago

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Related Questions

Can charged molecules pass through the membrane?

Yes, charged molecules can pass through the membrane.


What is the semipermeable membrane?

The cytoplasm of a cell is surrounded by a cell membrane or plasma membrane. The membrane is said to be 'semi-permeable', in that it can either let a substance pass through freely, pass through to a limited extent or not pass through at all.the membrane is somewhat effective at letting fluids through


Why can't ions pass through the cell membrane?

Ions cannot pass through the cell membrane because the membrane is selectively permeable, meaning it only allows certain substances to pass through. Ions have an electric charge that makes it difficult for them to pass through the hydrophobic interior of the membrane.


What are you considering when you referring to how easily materials can pass through membrane?

What you are considering when you are referring to how easily materials can pass through a membrane is how permeable the cell wall or membrane is.


Can hydrophobic molecules pass through a membrane?

Yes, hydrophobic molecules can pass through a membrane because the lipid bilayer of the membrane is also hydrophobic, allowing them to move through easily.


Which molecules cannot pass through the membrane?

Large molecules such as proteins and nucleic acids cannot pass through the cell membrane.


Can large polar molecules pass through the plasma membrane?

No, large polar molecules cannot pass through the plasma membrane.


Which molecules difuse through the lipid portion of the plasma membrane?

Only nonpolar (hydrophobic) molecules can pass through the bi-lipid membrane. For example, hormones are nonpolar, and they can pass through the membrane.


What is the part of the cell that materials pass through?

Materials pass through the cell membrane, which acts as a barrier between the cell's interior and the external environment. The cell membrane is selectively permeable, allowing certain substances to pass through while blocking others.


A membrane that allows only certain substances to pass through is a?

A permeable membrane


Do chemicals pass in and out of a cell through openings of the nucleus?

No they pass through the cell membrane. The cell membrane is selectively permeable to ions and organic molecules


Which molecule among the following will not pass through the phospholipid bilayer of a membrane?

The molecule that will not pass through the phospholipid bilayer of a membrane is a large and polar molecule.