Physical state of protoplasm, Biology

Assignment Help:

PHYSICAL STATE OF PROTOPLASM

Several theories have been given about its physical structure -

(i)  Granular Theory (Proposed by Altman, Hanstein, 1886) - Granules embedded in a fluid, those are known as bioplast/cytoplast. Henle & Megi used the word plastidules for granules

(ii)     Reticular Theory (Proposed by Fromman, Klein, Carnoy, 1885) - Reticulum of fibres embedded in a fluid.

(iii)    Fibrillar Theory (Proposed by Velton & Flemming, 1882) - Fibrils dispersed in a liquid.

(iv)    Alveolar Theory (Proposed by Butschli 1878) - Droplets or alveoli is present in it.

(v)   Crystallo-Colloidal Theory (Proposed by Fischer, Hardy Wilson 1894) - Substances dissolved and dispersed in water forming both true solution as well as colloidal solution.

1139_protoplasm.png


Related Discussions:- Physical state of protoplasm

Define the surgery process for cancer patient, Define the Surgery Process f...

Define the Surgery Process for Cancer Patient? Surgery is generally conducted in the absence of metastasis i.e. when a tumor is localized. Nutrition support would vary dependin

Deifition, what''s the define of mitochodria

what''s the define of mitochodria

Living organisms, List the five kingdoms into which most living organisms c...

List the five kingdoms into which most living organisms can be classified. Most living organisms can be classified as a) Bacteria, b) Protozoa, c) Fungi, d) Plants,

Agro industrial-reproductive tract infections, Reproductive tract infection...

Reproductive tract infections The major cause of reproductive tract infections are, improper dry cow nutrition, contamination at calving due to unsanitary calving area; virule

Define modelling the evolution of correlated characters, Define Modelling t...

Define Modelling the evolution of correlated characters? Current discoveries in genomics and proteomics have illustrated that the link between genotype and phenotype is much mo

Give the genotypes, Achondroplasia is an autosomal dominant disorder associ...

Achondroplasia is an autosomal dominant disorder associated with a gene on chromosome 4. Sickle cell anemia is due to a gene on chromosome 11. A man and a woman with achondroplasia

How different is the amphibian heart from the fish heart, Q How different i...

Q How different is the amphibian heart from the fish heart? The fish heart has only two chambers, a ventricle and an atrium, and the blood that comes to it is purely venous.

Role of chemical factors in controlling apical dominance, Role of Chemical ...

Role of Chemical Factors in Controlling Apical Dominance There were indications about the existence of plant hormones in the last part of 19th century. The plant hormones had

Hypomagnesaemic tetany , Hypomagnesaemic tetany (grass tetany, grass stagge...

Hypomagnesaemic tetany (grass tetany, grass staggers, lactation tetany) Hypomagnesaemic tetany is a multifactorial complex metabolic disorder, which is  characterized by reduct

Explain cardiac examination auscultation and its techniques, Explain cardia...

Explain cardiac examination auscultation and its techniques? Auscultation of the heart sound and associatcd sound is very important to diagnose the cardiovascular diseases. It

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