Cell Membrane and Osmosis Quiz
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Questions and Answers

What is the function of the cell wall?

  • Stores genetic material
  • Determines the shape of the cell (correct)
  • Synthesizes proteins
  • Regulates the movement of materials into and out of the cell

In osmosis, in which direction does water move?

  • From inside the cell to the external environment
  • It doesn't move at all
  • From low concentration to high concentration
  • From high concentration to low concentration (correct)

What is the main component of the bacterial cell wall?

  • Peptidoglycan (correct)
  • Glycocalyx
  • Chitin
  • Cellulose

Where are nuclear pores located?

<p>In the nuclear envelope (C)</p> Signup and view all the answers

What does the cell membrane act as within a cell?

<p>Brain of the cell (C)</p> Signup and view all the answers

How do ribosomes contribute to cellular functions?

<p>They are involved in protein synthesis (B)</p> Signup and view all the answers

What is the function of the cell wall in plant cells?

<p>To provide rigidity and structural support (B)</p> Signup and view all the answers

Which organelle is responsible for ATP synthesis in eukaryotic cells?

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

What is the main function of the nucleus in a cell?

<p>To house genetic material and control cell activities (A)</p> Signup and view all the answers

Which structure separates the contents of a cell from its external environment?

<p>Cell wall (B)</p> Signup and view all the answers

What is the primary function of lysosomes in a cell?

<p>Waste removal and digestion (A)</p> Signup and view all the answers

Which organelle is responsible for maintaining turgidity in plant cells?

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

What is the main function of the Golgi apparatus in a cell?

<p>Modification and packaging of proteins (D)</p> Signup and view all the answers

What is the function of the smooth endoplasmic reticulum (SER) in a cell?

<p>Synthesis of fats and lipids (A)</p> Signup and view all the answers

Which organelle contains chlorophyll pigment in plant cells?

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

What is the role of endocytosis in a cell?

<p>Taking in extracellular fluid into the cell (A)</p> Signup and view all the answers

What is the purpose of exocytosis in a cell?

<p>Movement of particles from cell to external environment (A)</p> Signup and view all the answers

Which type of active transport involves the exchange of Sodium and Potassium ions across the cell membrane?

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

What is the function of biological stains like Safranin in histology and cytology?

<p>Coloring cell nuclei red (A)</p> Signup and view all the answers

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