Which of the following statements is incorrect? (a)...

Name: Problem 94, Chapter 8: Objective NCERT at your FINGERTIPS: Biology
Uploaded: 2021-10-05T08:53:00-08:00
Duration: 2 min 22 s
Channel: Qudsiya Anis
Description: Which of the following statements is incorrect? (a) Mitochondria, unless specifically stained are nor. visible under the microscope. (b) Physiological activity of cells determines the of mitochondria per cell. (c) Mitochondrion, a power house of cell has om ribosomes and enzymes, so it can survive oust cell. (d) Mitochondria divide by fission.

Which of the following statements is incorrect? (a) Mitochondria, unless specifically stained are nor. visible under the microscope. (b) Physiological activity of cells determines the of mitochondria per cell. (c) Mitochondrion, a power house of cell has om ribosomes and enzymes, so it can survive oust cell. (d) Mitochondria divide by fission.

Which of the following statements is incorrect?
(a) Mitochondria, unless specifically stained are nor. visible under the microscope.
(b) Physiological activity of cells determines the of mitochondria per cell.
(c) Mitochondrion, a power house of cell has om ribosomes and enzymes, so it can survive oust cell.
(d) Mitochondria divide by fission.

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Key Concepts

Mitochondrial Structure and Function

Mitochondria are double-membraned organelles central to energy production in eukaryotic cells through oxidative phosphorylation. They contain their own DNA, ribosomes, and a variety of enzymes that enable them to play a critical role in cellular metabolism, yet they remain an integral part of the cell rather than independent organisms.

Microscopic Visualization of Organelles

Under standard light microscopy, many organelles, including mitochondria, are not easily visible without specific staining techniques. Special dyes or methods are often required to highlight these structures for detailed observation.

Regulation of Organelle Number

The quantity of mitochondria within a cell is closely tied to its physiological activity and metabolic demands. Cells with high energy requirements typically possess a larger number of mitochondria to support increased ATP production.

Mitochondrial Division (Fission)

Mitochondria replicate through a process known as fission. This is similar to bacterial binary fission and ensures that the cells can maintain an adequate number of mitochondria to meet their energy needs, facilitating both growth and adaptation to changing environmental conditions.

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