Learn about the comparison between Prokaryotes and Eukaryotes. Comparison # Prokaryotes: 1. Cell in prokaryotes is smaller in size with a primitive type of nucleus called nucleoid or genophore. 2. The nuclear membrane is absent in prokaryotes. 3. The genetic material is only nucleic acid DNA. 4. The DNA molecules are circular and not associated with histone protein. 5. Endoplasmic [...]
The following points highlight the four main types of tissues seen in animals. The types are: 1. Epithelial Tissues 2. Connective Tissue 3. Muscular Tissue 4. Nervous Tissue. Type # 1. Epithelial Tissues: The cells taking part in this type of animal tissue have a regular, well-defined shape and scanty intercellular substance. They are usually in contact with one another [...]
In this article we will discuss about the histological peculiarities of various organs. The various organs whose histological peculiarities has been discussed are: 1. Tongue 2. Spleen 3. Pancreas 4. Lung 5. Kidney 6. Adrenal 7. Testis 8. Ovary 9. Artery 10. Vein 11. Thyroid 12. Liver 13. Gastro-Intestinal Tract 14. Stomach 15. Small Intestine. 1. Tongue: Epithelium is of [...]