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 main arguments that favor evolutionism, In the scientific comp...

In the scientific competition against fixism what are the main arguments that favor evolutionism? The major arguments in favor of evolutionism are: paleontological, from the st

Define ecosystems science and large-scale ecology, Define Ecosystems scienc...

Define Ecosystems science and large-scale ecology? Many of today's most pressing problems are regional or global in nature including for instance, the effects of land cover and

Psychedelic drugs (hallucinogens), PSYCHEDELI C DRUGS (HALLUCINOGENS) - ...

PSYCHEDELI C DRUGS (HALLUCINOGENS) - They act mainly on CNS and greatly alter one's thoughts, feelings and perceptions, called psychedelic drugs. They cause optical or a

Typical signs of hip fracture-shortening, In the case story, Reggie present...

In the case story, Reggie presented with three typical signs of hip fracture-shortening, adduction, and the lateral rotation of the affected limb. What causes these signs? (HINT-th

Zonation in the ocean, Q. Zonation in the ocean? The oceans play a majo...

Q. Zonation in the ocean? The oceans play a major role in determining the climate and sustaining life on earth. Oceans help to redistribute the solar energy, through ocean curr

Explain fixer1 split s in second heart, Explain Fixer1 Split S in second he...

Explain Fixer1 Split S in second heart ? A2P2 interval is wide and persistent and doesn't change during respiratory cycle. It is an auscultatory hallmark of uncomplicated ostiu

Biology , Biology : Biology may be defined the study of living organisms. I...

Biology : Biology may be defined the study of living organisms. It mainly deals with the characteristics of living organisms and their classification. It is also concerned with the

What do you mean by alzheimer''s disease, Q. What is Alzheimer's disease? ...

Q. What is Alzheimer's disease? The Alzheimer's disease is a degenerative disease of the central nervous system in which the patient has progressive dementia and alteration of

What are the main prophylactic measures against malaria, Q. What are the ma...

Q. What are the main prophylactic measures against malaria? The major preventive measures against malaria are the elimination of the treatment of infected people, vector mosqui

Sour taste, Sour taste is usually due to the presence of acids such as acet...

Sour taste is usually due to the presence of acids such as acetic acid, citric acid, benzoic acid. Upon dissociation, the acids give H ions which impart acidity. More the H ion con

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