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

Bovine spongiform encephalopathy (bse), Normal 0 false fal...

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4

Dissolved oxygen - aquatic habitats, Dissolved oxygen - Aquatic Habitats ...

Dissolved oxygen - Aquatic Habitats Oxygen in the terrestrial ecosystems occurs in the atmosphere along with other gases in a certain fixed concentration however, in aquatic e

Microscope, How to calculate the magnifying power of a microscope i

How to calculate the magnifying power of a microscope i

Explain the adsorption or binding ability, Explain the Adsorption or Bindin...

Explain the Adsorption or Binding Ability? Some fibre components have the ability to bind (adsorb) substances in the gastrointestinal tract. Wheat bran, guar gum, mannan and is

Reproductive system of asteroidea, Reproductive System of Asteroidea S...

Reproductive System of Asteroidea Sexes are separate in several asteroids. There are ten (10) gonads, two in each arm. They emerge tuft-like or as cluster of grapes. Mature go

Nitrogen assimilation, The next step in the nitrogen cycle is the assimilat...

The next step in the nitrogen cycle is the assimilation of inorganic nitrogen in the type of ammonia into organic nitrogen-having compounds. Total organisms assimilate  ammonia  by

How tyndallisation used for sterilization, Q. How Tyndallisation used for s...

Q. How Tyndallisation used for sterilization? John Tyndall devised a process of sterilisation by steaming for a few minutes at 100 o C on 3-4 successive operations separated by

Bio geographical evidences, The main points which is based on the seminar...

The main points which is based on the seminar topic Bio geographical evidences

State the method of recombination or crossing-over, Which of the following ...

Which of the following statement is false regarding the method of recombination or crossing-over? A. Crossing-over takes place during prophase I of meiosis B. Recombination

Describe coping strategies, Patient and his family have to cope up with a ...

Patient and his family have to cope up with a critical situation when patient has complications and more so when a patient has to be admitted in a hospital and referred. Some patie

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