Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
AMOEBA
Systematic Position
Amoeba was discovered by Russel von Rosenhoff in 1755. He called it the little proteus after the mythical sea god who is believed to be capable of changing shape.
Several species of Amoeba are known ,Amoeba proteus (Gr, amoib= change ) is commonest and best known .Other common species are .Aradiosa ,A discoides and A verrucosa. The following description is largely based on A proteus.
Habit and Habitat
Amoebae inhabit fresh or marine water and moist soil. A proteus is abundant in bottom mud or surface scum of ditches , ponds, lakes streams , etc, having plenty of decaying organic matter ,Normally ,it creeps upon solid objects feeds upon algae, bacteria, etc, responds to stimuli and multiplies by mitosis.
Culture of Amoeba
Temporary cultures of amoeba can be easily prepared for laboratory study by hay infusion method , Dry and clean leaves grass wheat grains or banana peals are boiled in distilled water for about 15 minutes. The water is then filtered and allowed to stand open for 2to 3 days .This allows abundant bacterial growth in it ,Now some half rotten leaves are brought from a pond or ditch, washed ant put into the filtrate. Within a week the filtrate abounds with amoebae. A drop from the bottom of the container on to a slide shows several amoebae when observed under the microscope.
Table gives the current classification of hypertension as recommended by JNC VII. The classification is based on the mean of two or more seated readings on two or more occasions.
Determine the uses of Iron - Soil Iron is a constituent of cytochromes, haem and non-haem enzymes. It is also essential for chlorophyll formation though is not a part of it. It
Q. DNA damaged by alkylating agents? 1. Some simple alkylating agents 2. Illustrations of products of alkylating agents 3.Many of these products can be repaired by excision rep
Biological Valves : Biological valves are available for all positions. For mitral position they are usually mounted on a stent (stent mounted) whereas for aortic position they ma
What is Enzyme assay Enzyme assay may also be used to determine whether stored plant products are suitable for use as food commodities, for e.g. α-amylase should be present
characterstic of phylum arthropoda
discuss the merits nd demerits of five kingdom classification.
Normal nutrition: a base of therapeutic diet Normal nutrition is the foundation upon which the therapeutic modifications are based. The primary principle of diet nutrition the
What are the hyphae and the mycelium of pluricellular fungi? The major structures of pluricellular fungi are the hyphae (threadlike filaments made of contiguous uni or multinuc
Q. what is Catabolism? Catabolism is a process of breaking down large or complex molecules of food components into smaller components. These supply energy to the cell in a form
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd