Cell Membrane Quiz

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Questions and Answers

Which term is another name for the cell membrane?

  • Nucleus
  • Cytoplasm
  • Plasma membrane (correct)
  • Endoplasmic reticulum

What is the thickness of the cell membrane when observed under a light microscope?

  • 7.5 nm (correct)
  • 75 mm
  • 7.5 mm
  • 75 nm

How can the presence of the cell membrane be demonstrated?

  • Through genetic analysis
  • Through physiological experiments (correct)
  • Through mechanical micromanipulation
  • Through staining techniques

What is one of the functions of the cell membrane?

<p>Maintaining essential differences between the cytosol and extracellular environment (A)</p> Signup and view all the answers

Which technique can be used to demonstrate the presence of the cell membrane?

<p>Electron microscopy (D)</p> Signup and view all the answers

What are some specializations of the cell membrane?

<p>Attachment to other cells (D)</p> Signup and view all the answers

What is the primary function of the cell membrane?

<p>Maintaining essential differences between the cytosol and extracellular environment (A)</p> Signup and view all the answers

What is the basis for cell recognition on the cell membrane?

<p>Antigenic macromolecules (B)</p> Signup and view all the answers

What is the thickness of the cell membrane when observed using an electron microscope?

<p>7.5 nm (D)</p> Signup and view all the answers

What is the selective permeability of the cell membrane?

<p>It allows only certain substances to pass through (D)</p> Signup and view all the answers

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