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

How many kcal of gross energy were formed, The question asks . . . 18 moles...

The question asks . . . 18 moles of moles of maltose are completely oxidized by the reactions of the final oxidative pathways (Embden-Myerhoff Pathway and Krebs Cycle). How many AT

Define poverty and ignorance - cause of anaemia is dietary, Define Poverty ...

Define Poverty and ignorance - cause of anaemia is dietary? Low purchasing power of the communities and their consequent inability to meet the nutrient requirements, even after

Explain the term- pedon and polypedon, Explain the term- pedon and polypedo...

Explain the term- pedon and polypedon The characteristics of soil do not change vertically downwards only, there are lateral variations also as soil is a three dimensional body.

Eye testing and its significance, Eye complications are very common in pati...

Eye complications are very common in patients with diabetes. In fact, diabetes related eye diseases may not produce symptoms for a very long time and hence, it remains undetected t

What elements are present in carbohydrates, (a) Name four examples of compo...

(a) Name four examples of compounds which are classed as carbohydrate. (b) What elements are present in carbohydrates? (a) Sugars (glucose, fructose, maltose, sucro

Empyema, Empyema: Empyema is accumulation of  thick pus in the pleural...

Empyema: Empyema is accumulation of  thick pus in the pleural cavity. Primary infection of pleura does not arise so the pathology may either be in chest wall, mediastinum or t

Explain about modifiable risk factors, Q. Explain about Modifiable Risk Fac...

Q. Explain about Modifiable Risk Factors? 1. Behavioural Smoking Sedentary Lifestyle Habits Dietary Errors 2. Physiological Hyperlipidemia Hypertension Obe

Excretion., organisms and their excretory organelles

organisms and their excretory organelles

The rapeutic nurse, THE RAPEUTIC NURSE: Development of  therapeutic  n...

THE RAPEUTIC NURSE: Development of  therapeutic  nurse patient  relationship is the basic requirement  of nursing. A helping relationship  in nursing may be explained as an in

Explain about mandible, Q. Explain about Mandible? In the mandible, att...

Q. Explain about Mandible? In the mandible, attached keratinized tissue normally atrophies with the underlying bone. As a result there is generally a relatively narrow band of

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