Cell Components and Functions

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Questions and Answers

What is the primary function of the plasma membrane in a cell?

  • Stores nutrients and waste products
  • Synthesize proteins for cellular functions
  • Maintains the shape and provides support to the cell
  • Regulates the movement of substances and separates cell contents from the environment (correct)

Which cell component is primarily responsible for storing nutrients and waste products?

  • Mitochondria
  • Ribosome
  • Vacuole (correct)
  • Nucleus

What role does the mitochondria play in a cell?

  • Carries genetic information in the form of RNA
  • Synthesizes proteins for cellular processes
  • Synthesize ATP and serves as a site for cellular respiration (correct)
  • Maintains cell shape and provides support

Which component is essential for protecting plant cells from bursting?

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

What is the function of ribosomes in the cell?

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

Flashcards

What is the function of the plasma membrane?

Surrounds the cell and controls what enters and exits. It's like a gatekeeper.

What is the function of the cell wall?

Provides structure and support to plant cells, preventing them from bursting. It's like a strong wall.

What is the function of the cytoplasm?

The 'jelly' inside the cell where many important processes take place. It's like a busy workshop.

What is the function of the nucleus?

The control center of the cell containing DNA, the genetic blueprint. It's like the brain of the cell.

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What is the function of the vacuole?

Stores nutrients, waste, and other substances. It's like a storage room for the cell.

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Study Notes

Cell Components and Functions

  • Plasma membrane: Regulates substance movement across the cell and separates the cell's contents from the external environment.

  • Cell wall: Maintains plant cell shape, protects the cells from bursting and provides structural support.

  • Cytoplasm: Acts as a medium for biochemical reactions in most living cells.

  • Nucleus: Carries genetic information in the form of DNA.

  • Vacuole: Stores nutrients, wastes, and metabolic by-products.

  • Ribosome: Synthesizes proteins.

  • Mitochondria: Synthesizes ATP and is the site of cellular respiration.

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