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

Which hormones produced by ovaries and testicles, Q. What are the hormones ...

Q. What are the hormones produced by the ovaries and the testicles? The testicles make androgenic hormones, the major of them being testosterone. The ovaries produce progestero

Blood pressure, An adequate level of pressure is needed in the arteries to ...

An adequate level of pressure is needed in the arteries to keep the blood flowing through the cardiovascular system. The chief determinant of arterial pressure is the volume of blo

Spiracular control - respiration, Spiracular Control - Respiration ...

Spiracular Control - Respiration Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Brain region responsible for the equilibrium of the body, Q. Which is the b...

Q. Which is the brain region responsible for the coordination and equilibrium of the body? In the central nervous system the cerebellum is the main controller of the motor equi

Work injuries based on type of accidents, Work Injuries Based On Type of Ac...

Work Injuries Based On Type of Accidents Earlier we identified four kinds of injuries mainly based upon type of disability. This classification is needed for the purposes of c

Reptiles - regeneration in vertebrates, Reptiles - Regeneration in Vertebra...

Reptiles - Regeneration in Vertebrates Among reptiles, the lizards like the Gecko Hemidactylus flaviviridis and Anolis carolinensis can again generate their tail, following au

What are the kinds of plant geotropisms, What are the kinds of plant geotro...

What are the kinds of plant geotropisms? Why do the root and the stem present opposite geotropisms? The kinds of geotropisms are the positive geotropism, that in which the plan

Explain consultant dietitians, Explain Consultant dietitians Consultant...

Explain Consultant dietitians Consultant dietitians work under contract with healthcare facilities  or  in  their own private practice. They perform nutrition screenings  for

Differ from our current use of retroviruses, In what way may we be able to ...

In what way may we be able to take advantage of retrotransposons in human gene therapy? How would this differ from our current use of retroviruses?

Preparation of the laboratory samples, Q. Preparation of the Laboratory Sam...

Q. Preparation of the Laboratory Samples From the primary sample while selecting a representative laboratory sample, we need to consider the following: a) Laboratory sampl

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