Question

how does trichomonas, plasmodium and balantidium differ structurally?

Answer 1

Ans) Trichomonas :

The length of trichomonas is 10 micrometer. It consist of pear shaped body at the interior end there are four flagila whereas posterior end contains one flagila. Para basel bodies are present at the base of flagila. Cytoplasm is not well diferentiated. At the interior end a large nucleus is present. Cytoplasm carries number of cromatophores.

Plasmodium :

Plasmodium has a cytoplasm which contain the particle which are small and dense and condense ribonucleoprotein. The ER looks like vesicles which are scattered loosely in the cytoplasm. The mitochondria have double membraneous structure. Golgi apparatus are arranged in the rows and are made up of small vesicles. RNA particles are attached to the double.layer of nuclear membrane.

Balantidium :

Balantidium colli's body is egg-shaped. Cilia are placed in the longitidnal rows. At he bottom cyotosome is present. It consist of two contractile vacuole with numerous food vacuoles. The size of Balantidium is 68-134 micra in length and 44-89 micra in width. Kidney shapes macronucleus are placed in the cytoplasm and within the macronucleus , rounded micronucleus are present.

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