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The cell organelle solely responsible for respiration is the…

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BIOLOGY

The cell organelle solely responsible for respiration is the

A. nucleus

B. nucleolus

C. endoplasmic reticulum

D. mitochondrion

QUICK ANSWER…

D

DETAILS…  

Cellular respiration is a set of cellular processes that convert nutrients and oxygen into ATP and waste products. It occurs in an organelle called mitochondrion.

Now for the right answer to the above question:

  1. Option A is incorrect; cellular respiration does not occur in the nucleus.
  2. Option B is also incorrect; nucleolus is the largest part of the nucleus; it is responsible for ribosome biogenesis and r-RNA synthesis. It is not responsible for respiration.
  3. C is incorrect; endoplasmic reticulum is the transportation bus of the cell; it transports materials across the cytoplasm.
  4. D is the right answer; mitochondrion is the organelle responsible for cellular respiration.
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QUICK TIPS…

You may please note that:

  • Mitochondria is the plural form of mitochondrion.

Use the questions and answers session to raise further questions and deal more on this topic…

/ culled from 2016 JAMB-UTME biology past question 32 /

2 Answers

  1. 0 Votes Thumb up 0 Votes Thumb down 0 Votes

    The reason behind the popular name for mitochondria which is – power house of the cell.

    kunle - Mar 08, 2021 | Reply

  2. 0 Votes Thumb up 0 Votes Thumb down 0 Votes

    Most likely because it is the organelle responsible for generating energy through respiration… i get your explanation, thanks.

    kunle - Mar 08, 2021 | Reply


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