Excretion in amoeba, Biology

Assignment Help:

EXCRETION IN AMOEBA -

  1. NHis excreted out through plasmalemma.
  2. Osmoregulation takes place by contractile vacoule, generally one, towards posterior end, contractile in nature, having power of regeneration.
  3. Around it mitochondria are maximum. Contractile vacuole is surrounded by small water globules.
  4. Animal is fresh water. Water enters in to animal by endosmosis.
  5. Increase quantity of water is collected by water globules & given to contractile vacuole.
  6. So size of contractile vacuole is increased i.e. diastole is gradual. Close to plasmalemma it shrinks, systole is sudden.

Related Discussions:- Excretion in amoeba

Movement of molecules into and out of a cell, how does a plasma membrane re...

how does a plasma membrane regulate movement of molecules into and out of a cell? is it polarity, integrity, permeability, or solubility? these are my choices

What is recombination frequency, What is recombination frequency? Recom...

What is recombination frequency? Recombination frequency, or crossing over rate, is the percentage of recombinant gametes made by crossing over (in relation to the number of pa

Tpes of diarrhoea, Tpes of Diarrhoea: Diarrhoea can be acute, chronicl...

Tpes of Diarrhoea: Diarrhoea can be acute, chroniclpersistent diarrhoea and dysentery.  If an episode of diarrhoea lasts less than 14 days, it is acute diarrhoea. Acute wat

Show metabolic rate of aerobic organisms, Q. Why can be the consumption of ...

Q. Why can be the consumption of molecular oxygen indicates the metabolic rate of aerobic organisms? Molecular oxygen (O 2 ) consumption has direct relation to the cell metabol

What is drugs, What is drugs? Intravenous access must be established. A...

What is drugs? Intravenous access must be established. Although administration of drugs through a central vein is ideal in a low cardiac output situation, it is rarely possible

Embryology, what is the fertilization?

what is the fertilization?

General procedure of titration - nutritional biochemistry, Define General ...

Define General procedure of titration - Nutritional  Biochemistry? In general a titration requires that we add precise amounts of the known titrant to the unknown analyte or ti

Physical lay out, Physical Lay Out: Physical lay out of the nursing un...

Physical Lay Out: Physical lay out of the nursing unit should be planned and built in such a manner so that it helps the head nurse to discharge her duties/carry  out her resp

Simple lipids, SIMPLE  LIPIDS They are lipids formed of fatty acids an...

SIMPLE  LIPIDS They are lipids formed of fatty acids and alcohol without any additional group. e.g. fats or true fats,wax,cutin, suberin. Simple lipids are mainly of 2 types

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