Q- Differentiate between:
(i) Prokaryotic and Eukaryotic cell:
(i) Prokaryotic Cell:
1. Prokaryotic cells have a false or diffused nucleus.
2. Prokaryotic cells do not have all cell organelles.
3. Prokaryotic cells have less cell organelles as compared to eukaryotic cells.
4. Prokaryotes are found in kingdom monera.
5. Prokaryotic cells have 70S ribosomes.
6. Cyclosis (Streaming movement of cytoplasm) does not occur in prokaryotic cells.
7. Some examples of Prokaryotic cells are:
Bacteria, Euglena, blue-green algae e.t.c. .
Eukaryotic Cells:
1. Eukaryotic cells have a true nucleus.
2. Eukaryotic cells have all cell organelles.
3. Eukaryotic cells have more cell organelles as compared to Prokaryotic cells.
4. Eukaryotes are found in kingdom Protista.
5. Eukaryotic cells have 80S ribosomes.
6. Cyclosis (Streaming movement of cytoplasm) generally occurs in Eukaryotic cells.
7. Some examples of Eukaryotic cells are:
Animal cell, Plant cell, Fungi e.t.c. .
(ii) Plant Cell and Animal cell:
Plant cell:
1. Plant cells have plasma membrane as well as cell wall that are formed of cellulose.
2. Plant cells have plastids.
3. Plant cell do not have a centric nucleus.
4. Plant cells had a large sized vacuole.
5. Centriole is absent in plant cell.
6. Plant cells have more number of golgi bodies as compared to animal cell but have less number of mitochondria as compared to animal cell.
Animal cell:
1. Animal cells have plasma membrane but do not have cell wall that is formed of cellulose.
2. Animal cells do not have plastids.
3. Animal cells have a centric nucleus.
4. Animal cells do not have a large sized vacuole.
5. Centriole is present in animal cells.
6. Animal cells has less number of golgi bodies as compared to plant cells but have more number of mitochondria as compared to plant cell.
(iii) Plasma membrane and Cell wall:
1. Plasma membrane is present in all cells.
2. Plasma membrane is a thin, living and semi permeable membrane.
3. Plasma membrane is chemically formed of lipid and protein or plasma membrane is chemically lipoprotenious in nature.
4. Plasma membrane helps in exchange of material between cytoplasm and external environment.
Cell wall:
1. Cell wall is present in only plant cells, fungi and bacterial cells.
2. Cell wall is a thick, non-living and permeable membrane.
3. Cell wall is formed of cellulose in plant cells and is also formed of chitin in bacterial cell or fungi.
4. Cell wall helps in protection and proper shape to the cell.