Microtubules, Biology

Assignment Help:

MICROTUBULES

  • Discovered by De Robertis and Franchi.
  • Term given by Slautterback.
  • These are hollow structures, consists of tubulin protein.
  • Each protein diamer made up of a and b monomers.
  • Diameter of microtubules = 25 nm
  • Present in centrioles, cilia, flagella, spindle fibres.
  • Absent in amoeba, prokaryotes (Blue green algae and bacteria)
  • In plant microtubules often found associated to cell wall. Possibly these transport cell wall material from Golgi body to outside of cell. During cell division these become, distinct and form spindle fibers.

Related Discussions:- Microtubules

Biodiversity, composition of aquatic animals what are their groupings

composition of aquatic animals what are their groupings

Determine when the virus is in an inactive state, What is meant when it is ...

What is meant when it is said that a virus is in an inactive state? Viruses considered in inactive state are those whose genetic material is within host cells without synthesis

What is the meaning of reitan''s program, What is the meaning of Reitan's p...

What is the meaning of Reitan's program Reitan's program can be conceptualised as an effort to demonstrate the usefulness nad accuracy of Halstead's tests and related procedure

Poop, Where does poop come from?

Where does poop come from?

Karyokinesis, At the beginning of the process in an animal cell, the partit...

At the beginning of the process in an animal cell, the partition of the centriole takes place, which has been duplicated during Interphase but were in the same centrosome. Bipol

Formation of blastopore, Formation of Blastopore The slit such as ope...

Formation of Blastopore The slit such as opening of the initial groove is the opening of the developing blastopore and its dorsal rim is termed as the dorsal lip of blastopor

Recognize the eight stages of meiosis, Can you recognize the eight stages o...

Can you recognize the eight stages of meiosis based on the location and behavior of the chromosomes? Drag the diagrams of the stages of meiosis onto the targets so that the four st

Explain prophylaxis with antimicrobial, Explain Prophylaxis with antimicrob...

Explain Prophylaxis with antimicrobial Prophylaxis with antimicrobials has decreased the incidence of surgical site infection after head and neck operations that involve an inc

Palpation , Palpation: Use the ball of one hand  and move the hand  from ...

Palpation: Use the ball of one hand  and move the hand  from one side of the posterior thorax to other. Note presence of swelling, masses, muscle tone, fremitus and crepitation.

Explain the endocrine gland and the exocrine gland, What is the difference ...

What is the difference between the endocrine gland and the exocrine gland? Endocrine gland is a gland whose secretions (known as hormones) are collected by the blood and reach

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd