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.
What should be the minimal distance between the implants or an implant and a natural tooth. The minimal distance between the implant and the adjacent tooth should be 1.5 -2 mm
Define Obligatory Nitrogen losses? The Committee estimated the total obligatory nitrogen losses through faeces, urine, skin and other miscellaneous routes in adult men as 2.0 m
what is phulum cnideria
Explain Advantages and Disadvantages of Spread Plate Method? The advantages and disadvantages of spread plate method are highlighted next. Advantages 1. It is useful fo
what is common between aquatic and terrestrial plants
Q. Explain Right and left Dominant Circulation? Right Dominant Circulation: In 85 per cent of patients, the right coronary artery goes on to form the AV nodal artery, the poste
What is lactic acid
Osmoregulation in Terrestrial Environment Earlier you have learnt about osmoregulation in aquatic environment. In this section, we shall study how the terrestrial animals cop
Vasoactive substances such as Endothelium Derived Relaxing Factors (EDRF). Prostacyclin and Endothelin can be formed in the vascular endothelium. Endothelial dysfunction can lead t
A patient has a low red blood cell count, and microscopic examination reveals an abnormally high proportion of circulating reticulocytes. Upon subsequent examination, the patient i
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