Cell Biology: Endoplasmic Reticulum Functions

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Questions and Answers

What is the primary function of lysosomes in a cell?

  • To produce ATP molecules
  • To break down and digest cellular substances (correct)
  • To store genetic material
  • To synthesize fatty acids

What is the site of fatty acid breakdown in a cell?

  • Peroxisome (correct)
  • Golgi apparatus
  • Mitochondria
  • Lysosomes

What is the equation for cellular respiration?

  • C6H12O6 + 6O2 = 3CO2 + 6H2O
  • C6H12O6 + 6O2 = 6CO2 + 6H2O + ATP (correct)
  • C6H12O6 + 3O2 = 3CO2 + 3H2O
  • C6H12O6 + 6O2 = 6CO2 + 6H2O

What is the name of the process by which lysosomes release digested material to the exterior of the cell?

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

What is the main function of chloroplasts in plant and algae cells?

<p>To produce highly energetic organic molecules through photosynthesis (C)</p> Signup and view all the answers

What is the name of the pigment responsible for the absorption of light energy in chloroplasts?

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

What is the role of the smooth endoplasmic reticulum in muscle cells?

<p>Carrying out contraction stimuli (D)</p> Signup and view all the answers

Where can ribosomes be found in the cell?

<p>Unbound in the cytoplasm, attached to the nuclear membrane, or attached to the endoplasmic reticulum membrane (B)</p> Signup and view all the answers

What is the function of the Golgi complex?

<p>Modifying and storing proteins for later use or secretion (A)</p> Signup and view all the answers

What is the role of lysosomes in the cell?

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

Where are digestive enzymes produced and stored?

<p>Rough endoplasmic reticulum and Golgi apparatus (C)</p> Signup and view all the answers

What happens to vesicles detached from the Golgi apparatus?

<p>They travel across the cytoplasm and fuse with the plasma membrane (C)</p> Signup and view all the answers

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