Introduction to Cell Biology and Genetics

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Questions and Answers

What is the main difference between prokaryotic and eukaryotic cells?

  • Presence of membrane-bound organelles
  • Function of the cell
  • Size of the cell
  • Presence of a true nucleus (correct)

What is the basic unit of reproduction?

  • Water
  • Protoplasm
  • Cell (correct)
  • Electrolytes

What are the constituents of protoplasm?

  • Carbohydrates, lipids, proteins (correct)
  • Water, carbohydrates, electrolytes
  • Lipids, proteins, sodium
  • Water, electrolytes, sodium

Which type of cell contains organized nucleus and membrane-bound organelles?

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

Which organelle is responsible for converting light energy into chemical energy?

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

What is the main function of a lysosome?

<p>Breaking down macromolecules (A)</p> Signup and view all the answers

What is the role of a ribosome in a cell?

<p>Translating genetic code into amino acids (C)</p> Signup and view all the answers

Which organelle is involved in the breakdown/digestion of macromolecules and responses against foreign substances?

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

What is the function of the Golgi Bodies?

<p>Wrapping and packaging department of the cell (C)</p> Signup and view all the answers

Where is the hereditary material located in a cell?

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

What is the main function of the Smooth Endoplasmic Reticulum?

<p>Breaking down fats and carbohydrates (C)</p> Signup and view all the answers

What is the function of Ribosomes in a cell?

<p>Site of protein synthesis in the cell (D)</p> Signup and view all the answers

What is the function of the cell membrane?

<p>Protective, digestive, and selective permeability (A)</p> Signup and view all the answers

What type of molecules can rapidly move across the cell membrane?

<p>Non-polar molecules, gases, lipids, and steroid hormones (C)</p> Signup and view all the answers

What process involves bringing large particles or fragments of cells into the cell?

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

What does the cell membrane's selective permeability control?

<p>The free passage of ions in and out of the cell (D)</p> Signup and view all the answers

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