Which of the following is true about the internal structure...

Name: Problem 150, Chapter 8: Objective Biology for NEET
Uploaded: 2021-11-15T06:44:30-08:00
Duration: 1 min 28 s
Channel: Parvati Devi
Description: Which of the following is true about the internal structure of axoneme? (a) Central sheath is connected to one of the tubule of each peripheral doublets by a radial spoke. (b) Axoneme is not covered by plasma membrane at all. (c) Then are only and radial spokes are found. (d) Perinheraldo

Which of the following is true about the internal structure of axoneme? (a) Central sheath is connected to one of the tubule of each peripheral doublets by a radial spoke. (b) Axoneme is not covered by plasma membrane at all. (c) Then are only and radial spokes are found. (d) Perinheraldo

Which of the following is true about the internal structure of axoneme?
(a) Central sheath is connected to one of the tubule of each peripheral doublets by a radial spoke.
(b) Axoneme is not covered by plasma membrane at all.
(c) Then are only and radial spokes are found.
(d) Perinheraldo

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Key Concepts

Plasma Membrane Enclosure

The axoneme is enveloped by the plasma membrane, which is continuous with the cell’s overall membrane. This enclosure is vital as it helps maintain the proper biochemical environment for the axoneme to operate and links the structure’s function to cellular signaling and regulation.

Axoneme Structure

The axoneme is the central core of cilia and flagella, typically exhibiting a '9+2' arrangement where nine outer doublet microtubules encircle a central pair of singlet microtubules. This specific organization, along with various associated proteins, provides both structural support and the basis for the motility of these organelles.

Radial Spokes

Radial spokes are protein complexes that extend from each of the peripheral microtubule doublets toward the central pair within the axoneme. They play a crucial role in transmitting signals between the central and peripheral structures, thereby regulating the activity of motor proteins such as dynein arms essential for coordinated movement.

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