Question

Can cell differentiation be seen in the unicellular organism? State a reason for your answerlease type your question properly

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Answer 1

Answer:

☞Unicellular organisms are made up of only one cell that carries out all of the functions needed by the organism, while multicellular organisms use many different cells to function. ... Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions.

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Answer 2

Answer:

Some unicellular eukaryotes differentiate in the sense that they metamorphise into different forms. A single celled organism changes without changing its genome (DNA). Different genes are expressed in each form. So what is really changing is the transcriptone (RNA).

This is analogous to the way indivdual cells in our body change as the body develops. The cells keep their genome as we age, but change the tissue type.

The class (?) of protists (kingdom) called Dinoflagellate are the hands down master of differentiation in this sense. Different species of Dinoflagellate occupty the worlds oceans. Without changing their genomes in the least, a Dinoflagellate can metamorphise into dozens of different forms each with its own transcriptone.

The Dinoflagellate cells differentiate into flagellated forms, ciliated forms, colonial forms, amoebic forms, and dormant forms forms and so forth. The number of forms that they change into is greater than the number of tissue types in humans beings.

The genome of a Dinoflagellate cell is very large. Some Dinoflagellate species have cells larger than the human genome with a factor of 80. So in terms of genomic complexity, Dinoflagellates out perform human beings! The Dinoflagellate can claim to be the most complex organism on earth, genetically and - transcripically ?!!

Biologists currently believe that the differentiation in animal and plant cells evolved from the differentiation in unicellular eukaryotes. They don’t believe that Dinoflagellates evolved into animals, but that a protist with an analogous life style evolved into animal

Explanation:

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