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

Phylum, what is phulum cnideria

what is phulum cnideria

Guards for machines and equipment, Guards for Machines and Equipment ...

Guards for Machines and Equipment Various machines and equipment used for manufacturing require guards for protecting the operator from any injury. These machines include: Wo

Define the patient care related to neurological disorder, Define the patien...

Define the patient care related to neurological disorder? A few additional points related to the patient care that need to be kept in mind include paying attention to the patie

What are the biological functions of the polysaccharides, Q. What are the m...

Q. What are the major biological functions of the polysaccharides? Polysaccharides have a structural function and an energy storage function. Polysaccharides incorporated by li

Determine the glycogen receptors in the plasma membranes, Which of the foll...

Which of the following serves as an effector, or as part of an effector, that functions in a negative feedback system? A. Glycogen Receptors in the plasma membranes of liver ce

Dentition and feeding, briefly explain filter feeding in holozoicanimals

briefly explain filter feeding in holozoicanimals

Excretion, How many kidney in man?

How many kidney in man?

Explain the features of alternaria, Explain the Features of Alternaria? ...

Explain the Features of Alternaria? 1. Alternaria colony is wooly and compact. Underside is very dark coloured. Colony colour is grayish green or black with gray edges rapidly

Define the petrifilm (dry film) method, Define the Petrifilm (dry film) Met...

Define the Petrifilm (dry film) Method? An alternative method to the conventional SPC is a Petrifilm (dry film) method. It is a non-petri dish plating system where a layer of n

Target tissues and organs of each adenohypophyseal hormone, Q. What are the...

Q. What are the target tissues and target organs of each adenohypophyseal hormone? GH- bones, muscles and cartilages, Prolactin- mammary glands, ACTH- the cortical portion of t

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