Mitochondria Function and Cellular Respiration

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Questions and Answers

What is the main function of mitochondria in a cell?

  • Synthesizing energy (correct)
  • Producing organelles
  • Maintaining cell shape
  • Storing genetic information

Which of the following is NOT true about mitochondria?

  • Prokaryotic cells contain mitochondria (correct)
  • They are abundant in the locomotive apparatus of cells
  • Their size ranges from 0.5 - 1.0 micrometers
  • They can change their shape rapidly

Where are mitochondria usually located inside a cell?

  • Attached to the cell membrane
  • Inside the vacuole
  • In the cytoplasm (correct)
  • In the nucleus

In which type of cells are mitochondria found?

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

What is the role of mitochondria in muscle tissues?

<p>Acting as a fuel source close to fatty droplets (D)</p> Signup and view all the answers

How do mitochondria reproduce themselves?

<p>By dividing in the middle to produce daughter mitochondria (A)</p> Signup and view all the answers

What distinguishes eukaryotic cells from prokaryotic cells regarding mitochondria?

<p>Only eukaryotic cells have mitochondria (A)</p> Signup and view all the answers

What is the primary function of cristae in mitochondria?

<p>Increase the surface area for enzyme attachment (C)</p> Signup and view all the answers

Which protein is predominantly found in the outer membrane of mitochondria?

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

What is the name of the phospholipid layer found in the inner mitochondrial membrane?

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

Which statement about the inner mitochondrial membrane is correct?

<p>Impermeable to small-sized substances like ions (D)</p> Signup and view all the answers

Why are transport proteins more abundant in liver cells compared to muscle cells?

<p>Because most anabolic pathways start in the liver (C)</p> Signup and view all the answers

Which enzyme system is responsible for synthesizing mitochondria DNA, RNA, and proteins?

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

What is the role of enzymes found in the matrix during cellular respiration?

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

What determines the energy output of a cell based on mitochondria cristae?

<p>Number and arrangement of cristae (A)</p> Signup and view all the answers

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