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

What are the structures that form the external ear, What are the structures...

What are the structures that form the external ear? What is its function? The internal ear comprises the pinna, or auricle, and the auditory canal. Its function is to conduct t

Rabies, R a b i e s It is also known as lyssa, and hydrophobia in ...

R a b i e s It is also known as lyssa, and hydrophobia in human beings. This fatal disease is characterized by altered behavior, deranged consciousness, laryngeal paralysi

Zoonotic diseases, Zoonotic Diseases The term zoonosis (zoonoses, plura...

Zoonotic Diseases The term zoonosis (zoonoses, plural) was coined by Rudolf Virchow to describe the disease transmitted from animal to man and vice versa. Zoonoses have been de

The hydrogen ion concentration of stomach, What is the hydrogen ion concent...

What is the hydrogen ion concentration of stomach acid pH=1.6?

What is the mendel’s first law, the Mendel's first law? A Mendel's firs...

the Mendel's first law? A Mendel's first law postulates that a characteristic (trait) of an individual is always determined by two factors, one inherited from the mother and th

What do you mean by myocarditis, Q. What do you mean by Myocarditis? My...

Q. What do you mean by Myocarditis? Myocarditis is defined as inflammation of the myocardium. The most common cause is Coxsackie B virus infection. But it can also be due to

Difference between unconditioned & conditioned reflex action, Difference be...

Difference between unconditioned and conditioned reflex action- S.NO .   1. UNCONDITIONED   It is inborn CONDITIONED

What is the control center of the cell, What is the control center of the c...

What is the control center of the cell? The nucleus contains DNA, which having the instructions for all the functions of the body.

Show symptoms and signs of hyperthyroidism, Q. What are some symptoms and s...

Q. What are some symptoms and signs found in patients with hyperthyroidism? The hormones made by the thyroid gland stimulate the basal metabolism of the body in hyperthyroidism

What are the basic constituents of the cell membrane, What are the basic co...

What are the basic constituents of the cell membrane? The cell membrane is produced of lipids, proteins and carbohydrates. The membrane lipids are phospholipids, a special 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