Osmoregulation in protozoans, Biology

Assignment Help:

Osmoregulation in Protozoans

Osmoregulation or water balance in protozoa is accomplished by contractile vacuoles. One to several contractile vacuoles may be present within the animal which may or may not have fixed sites in the cytoplasm and may have contributory canals or other vesicles opening into it.

These are water and ion regulating structures, acting as pumps to remove excess water from the cytoplasm. All freshwater protozoans have functioning systems of contractile vacuoles whereas, marine and parasitic forms have these less frequently.


Related Discussions:- Osmoregulation in protozoans

What are some examples of parasitism, Q. What are some examples of parasiti...

Q. What are some examples of parasitism? The Classical instances are the parasites of humans (host), like the trypanosome that causes Chagas' disease, the HIV virus (AIDS), the

What do you understand by melanocytes, Q. What are melanocytes? Melanoc...

Q. What are melanocytes? Melanocytes are epithelial cells of the skin specialized in secretion of melanin and Melanin is a pigment that besides coloring the iris of the eye and

Define evolution of virulence, Define Evolution of virulence? Diseases ...

Define Evolution of virulence? Diseases like cholera emerge as sudden outbreaks, showing marked variation via space and time both in their incidence--the number of individuals

Puberty, how does the hypothalamus begin puberty

how does the hypothalamus begin puberty

Explain phylogenetically proximal species, Q. Do the phylogenetically proxi...

Q. Do the phylogenetically proximal species have cells with proximal chromosome counts? The number of chromosomes typical of each species is proximal for phylogenetically proxi

Explain about utility gloves, Q. Explain about Utility Gloves? Because ...

Q. Explain about Utility Gloves? Because of the increased risk of percutaneous injury during instrument cleaning (100% of the Faculty incidents reported in academic year 2003/0

Predict whether narrowing or widening of the blood vessels, Body temperatur...

Body temperature is homeostatic ally regulated around a set point. Given your knowledge of negative feedback and homeostatic control system, predict whether narrowing or widening o

State the aspects of functioning of neuropsychological test, State the vari...

State the various aspects of functioning of neuropsychological The MSE deals with questions concerning the addressee's Consciousness, Emotional State, Thought Content and Clar

Define theophrastus of eresus - taxonomy, Define Theophrastus of Eresus - T...

Define Theophrastus of Eresus - Taxonomy The Father of Botany (370-285 B.C.); of all the men who ever lived upon the earth certainly one of the most remarkable was Theophrastu

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