Question

Write a note on cells.

Answer 1

Cells:

1. Cells are the basic building blocks of living things.
2. It is responsible for all life's processes.
3. There are two distinct types of cells:

1. Prokaryotes.
2. Eukaryotes.

i) Prokaryotic Cells-

1. Prokaryotes are single-celled microorganisms that include bacteria.
2. Prokaryotic cells do not have a well-defined nucleus.
3. Instead, the genetic material is suspended freely in the cell (nucleoid)

ii) Eukaryotic Cells:

1. Eukaryotes are unicellular or multicellular.
2. Eukaryotic cells have a well-defined nucleus.
3. Genetic material (DNA) is properly packed in the nucleus.

Essential characteristics of cells:

1. Cells provide structure and support the growth of the body.
2. Cells have a nucleus that acts as the "brain of the cell" as it regulates all cell activities.
3. The nucleus also carries genetic material that plays a major role in growth and reproduction.