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

Obelia, why is obelia considered to of special interest in Zoology as an an...

why is obelia considered to of special interest in Zoology as an animal showing an intermediate grade of organisation?

Deficiency diseases-thiamine deficiency (hypothiaminosis), Thiamine deficie...

Thiamine deficiency (hypothiaminosis) Thiamine deficiency is characterized by signs of nervous system. The primary  thiamine deficiency is not common in animals. However, seco

Illustrate about nervous system, Illustrate about Nervous System Functi...

Illustrate about Nervous System Functional unit of nervous system is neuron. Neuron is nerve cell. Information passes through neurons by nerve impulses. Nervous system corre

Explain the advantages and disadvantages of insulin pen, Advantages of Insu...

Advantages of Insulin Pen - More convenient and easier to transport than traditional vial and syringe. - More accurate doses. - Easier to use for those with visual or fin

Indications for surgery-mitral valve disease, Indications for Surgery :  T...

Indications for Surgery :  The normal mitral valve area is 4-5 cm 2 . Usually symptoms appear when the valve area has become less than 2.5 cm2. Symptoms are present at rest when t

What are the two major morphological patterns of cnidarians, Q. What are th...

Q. What are the two major morphological patterns of cnidarians? Concerning locomotion how do these forms differentiate from each other? Morphologically, cnidarians classify as

The right side of the container, A solute passes from higher concentration ...

A solute passes from higher concentration on the left of a container to the right side of container thru a membrane. What would happen if a second solute of lower concentration was

Cnidaria and protozoan, What are the advancement of cnidaria over protozoa

What are the advancement of cnidaria over protozoa

Explain the life cycle of the gymnosperms, Q. What is the life cycle of the...

Q. What is the life cycle of the gymnosperms? As all plants they present a diplobiontic life cycle that is alternation of generations with haploid and diploid stages and the la

Define technique of paper chromatography, Define Technique of Paper chromat...

Define Technique of Paper chromatography? Paper chromatography is used as 1. Ascending, 2. Descending or 3. Horizontal technique (circular paper chromatography) It is De

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