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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?

In the nuclear envelope Signup and view all the answers

What does the cell membrane act as within a cell?

Brain of the cell Signup and view all the answers

How do ribosomes contribute to cellular functions?

They are involved in protein synthesis Signup and view all the answers

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

To provide rigidity and structural support Signup and view all the answers

Which organelle is responsible for ATP synthesis in eukaryotic cells?

Mitochondria Signup and view all the answers

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

To house genetic material and control cell activities Signup and view all the answers

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

Cell wall Signup and view all the answers

What is the primary function of lysosomes in a cell?

Waste removal and digestion Signup and view all the answers

Which organelle is responsible for maintaining turgidity in plant cells?

Vacuoles Signup and view all the answers

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

Modification and packaging of proteins Signup and view all the answers

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

Synthesis of fats and lipids Signup and view all the answers

Which organelle contains chlorophyll pigment in plant cells?

Plastids Signup and view all the answers

What is the role of endocytosis in a cell?

Taking in extracellular fluid into the cell Signup and view all the answers

What is the purpose of exocytosis in a cell?

Movement of particles from cell to external environment Signup and view all the answers

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

Pinocytosis Signup and view all the answers

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

Coloring cell nuclei red Signup and view all the answers