Cell Biology Quiz

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Questions and Answers

What is the primary function of the nucleus?

  • Acts as the cell's control center (correct)
  • Regulates cell movement
  • Produces ribosomes
  • Synthesizes proteins

Which component is responsible for ribosome synthesis?

  • Plasma Membrane
  • Rough ER
  • Nucleus
  • Nucleolus (correct)

What function does the plasma membrane serve?

  • Synthetizes proteins
  • Houses DNA
  • Controls metabolic reactions
  • Serves as a selective barrier (correct)

Where do many metabolic reactions occur in a cell?

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

The rough endoplasmic reticulum is primarily involved in which function?

<p>Protein synthesis and modification (C)</p> Signup and view all the answers

What is the primary function of the Smooth Endoplasmic Reticulum?

<p>Involved in lipid synthesis and detoxification (A)</p> Signup and view all the answers

Which organelle is responsible for modifying, sorting, and packaging proteins?

<p>Golgi Apparatus/Bodies (B)</p> Signup and view all the answers

What is the main role of mitochondria in the cell?

<p>Energy production through cellular respiration (D)</p> Signup and view all the answers

What function do lysosomes perform within the cell?

<p>Digestion of waste materials and cellular debris (C)</p> Signup and view all the answers

Which organelle is exclusively found in animal cells and assists in cell division?

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

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

<p>Providing structural support and protection (C)</p> Signup and view all the answers

Chloroplasts are essential for which process in plant cells?

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

How do chloroplasts contribute to a plant's ability to make food?

<p>By capturing sunlight energy (B)</p> Signup and view all the answers

Which of the following is NOT a function of the cell wall?

<p>Facilitating nutrient absorption (C)</p> Signup and view all the answers

What do chloroplasts require to perform photosynthesis?

<p>Water and carbon dioxide (B)</p> Signup and view all the answers

Flashcards

Nucleus function

Control center of the cell; houses DNA and regulates processes.

Nucleolus function

Makes ribosomes, cell's protein factories.

Plasma membrane function

Gatekeeper; controls what enters/exits the cell.

Cytoplasm function

Site of many cell processes; jelly-like substance.

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Ribosomes function

Build proteins from instructions in DNA.

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Smooth ER function

Lipid synthesis and detoxification; lacks ribosomes.

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Golgi Apparatus function

Modifies, sorts, and packages proteins/lipids for use.

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Mitochondria function

Produces energy (ATP) for the cell via cellular respiration.

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Chloroplasts function

Photosynthesis - uses light to make energy from water and CO2, creating oxygen.

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Cell Wall

A rigid outer layer of plant cells that provides structural support and protection, giving the cell its shape.

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What does the cell wall do?

The cell wall provides structural support and protection, maintaining the shape of the plant cell.

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Chloroplasts

Organelles found in plant cells that use sunlight, water, and carbon dioxide to create food for the plant through photosynthesis.

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What is photosynthesis?

Photosynthesis is the process where chloroplasts in plant cells use sunlight, water, and carbon dioxide to make food for the plant.

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