Is vacuoles easily found in fresh or in salt water, Biology

Assignment Help:

Are protozoans presenting contractile, or pulsatile, vacuoles easily found in fresh or in salt water?

Fresh water is the less concentrated of solutes than sea water and it (fresh water) tends to be less concentrated than the intracellular environment making cells to swell. Sea water, on the other hand, as it is very concentrated tends to dehydrate the cell.

The vacuoles of protozoans are internal structures specialized in water storage that when essential liberate water to the cytoplasm. Vacuoles therefore can dilute the cytoplasm for it to enter into osmotic equilibrium with the environment. Protozoans of fresh water then require vacuoles more since their intracellular is hypertonic in relation to the exterior. Without the dilution mechanism given by the vacuoles, protozoans of fresh water would absorb too much water and would die.

 


Related Discussions:- Is vacuoles easily found in fresh or in salt water

Occurrence of earthquake, Among the different natural hazards, earthquakes ...

Among the different natural hazards, earthquakes happen to be the most feared and dangerous because of their sudden impact and the devastation they cause in a matter of few seconds

Bacteria, wine turns sour beause of the action of which bacteria? aerobic o...

wine turns sour beause of the action of which bacteria? aerobic or anerobic?

How linnaeus classify the plant kingdom, Q. How Linnaeus classify the plant...

Q. How Linnaeus classify the plant kingdom? Linnaeus classified the plant kingdom into 24 classes in his famous work 'Genera Plantarum' (1737) and 'Species Plantarum' (1753). I

Phototropic curvature is the result of uneven distribution, Phototropic cur...

Phototropic curvature is the result of uneven distribution of : 1. Gibberellin 2. Phytochrome 3. Cytokinins 4. Auxin Auxin

Eye - conjuctiva, CONJUNCTI V A - Ectodermal in origin. Formed by epi...

CONJUNCTI V A - Ectodermal in origin. Formed by epidermis. It is thin, transparent covers cornea. Made up of stratified epithelium. It has 2 parts - (i) Ocular conjunct

Cytosol of prokaryotes, The  citric  acid  cycle  functions  in  the  mitoc...

The  citric  acid  cycle  functions  in  the  mitochondria   of  eukaryotes  and  in  the cytosol of prokaryotes. The Succinate dehydrogenase, the only membrane-bound enzyme   in t

What is atrial switch operation and rastelli in heart diease, What is Atria...

What is Atrial Switch operation and Rastelli in Heart dieases? Atrial Switch Operation: (Senning or Mustard procedures) By means of a baffle the systemic venous blood could b

Admission of mentally patient, Admission of Mentally Patient: Volunt...

Admission of Mentally Patient: Voluntary Basis  (Voluntary Admission)   Any adult person who considers himself  to be mentally ill, can  request  the Medical Officer for

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