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

Surgical treatment of mitral stenosis, Q. Surgical Treatment of mitral sten...

Q. Surgical Treatment of mitral stenosis? Available surgical treatment modalities include closed mitral valvotomy, open mitral valvotomy, and mitral valve replacement. With th

In the metagenesis of obelia and aurelia, Q. In the metagenesis of Obelia a...

Q. In the metagenesis of Obelia and Aurelia what is the form that produces gametes? What is the form that reproduces asexually? In the metagenesis of some coelenterates, like O

How are mineral salts-water and food transported to plant, How are mineral ...

How are mineral salts, water and food (sugar) transported throughout the plant? Mineral salts, Water and sugar are transported throughout the plant through conductive vessels f

Determine about the klove grooved pegboard test, Determine about the Klove ...

Determine about the Klove Grooved Pegboard Test The subject must place pegs shaped like keys into a board having recesses that are oriented in randomly varying directions. The

Long-term responses - behaviour of plants, Long-term responses - Behaviour ...

Long-term responses - Behaviour of Plants Plants alter their course of development to suit the prevailing environmental conditions. For example, leaf maturation and fall, onse

Phototropic curvature is the result of uneven distribution, Phototropic cur...

Phototropic curvature is the result of uneven distribution of : 1. Gibberellin 2. Phytochrome 3. Cytokinins 4. Auxin Auxin

Define the enzyme function of vitamin c, Define the Enzyme Function of Vita...

Define the Enzyme Function of Vitamin C? Vitamin C acts as an electron donor for 11 enzymes. Three of those enzymes are found in fungi but not in humans. Of the eight remainin

Total darkness and pea seedlings grown in the light, What differences would...

What differences would you expect to see among pea seedlings grown for 10 days in total darkness and pea seedlings grown in the light for the similar period of time?   The s

Describe the neuropsychological assessment of infants, Describe the Neurops...

Describe the Neuropsychological Assessment of Infants Neuropsychological Assessment of Infants and Young Children followed by the developmental Concepts Unique to Infants and

From which structures is the nuclear membrane composed, Eukaryotic cells ha...

Eukaryotic cells have nucleus delimited by two juxtaposed membranes that start with the membrane of the endoplasmic reticulum. The nuclear membrane, or karyotheca, represents pores

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