Question

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Answer 1

Answer:

Q1. Anwers in one word-

1)Robert Brown

2)one chromosome

3)leucoplasts

4)meiosis

Q2. Answer in brief-

1)The main difference between prokaryotic and eukaryotic cell division is that the prokaryotic cell division occurs through binary fission whereas the eukaryotic cell division occurs either through mitosis or meiosis. Furthermore, prokaryotic cells lack a nucleus while eukaryotic cells have a nucleus.

2)The major function is the modifying, sorting and packaging of proteins for secretion. It is also involved in the transport of lipids around the cell, and the creation of lysosomes. The sacs or folds of the Golgi apparatus are called cisternae.

3)

A)

The cell theory was proposed by Matthias Schleiden and Theodor Schwann.

B)J. E. Purkinje discovered protoplasm whereas The word protoplasm was coined by Hugo von Mohl in order to designate certain active contents of the vegetable cell.

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Answer 2

Answer:

1.Ernest Rutherford

2.one

3.Laucoplasts

4.Mitosis

1.In Eukaryotic

Mitochondria is absent.

Cytoskeleton is absent.

In Prokaryotic

Mitochondria is present.

Cytoskeleton is present.

2.1) They are involved in synthesis of cell wall, plasma membrane and lysosomes .

2) They act as an area of storage, processing and packaging of various cellular secretions.

3.A Theodor Schwann

BJan Evangelista Purkinje.

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