Question

Who discovered the cytoplasm and nucleus?

Answer 1

Discovery of cytoplasm:

1. Robert Hooke discovered cytoplasm in 1665 when he saw an empty box in a thin slice of cork under a microscope.
2. The name was given in 1874 by Rudolf Von Kolliker.
3. The cytoplasm is a thick solution covered by a plasma membrane.
4. Cytoplasm prevents the grouping of organelles and acts as a buffer that protects them from genetic material.

Discovery of Nucleus:

1. Robert Brown discovered the nucleus in 1831 in epidermal cells of orchids.
2. The term nucleus is derived from the Greek word Karyon kernel or nut.
3. The nucleus plays a vital role in the fertilization and development of the embryo.
4. It controls cell activities, usually in a spherical structure.