Questions

Atoms are composed of Electrons, protons and Neutrons. Protons and Neutrons together called as Nuclei.

The study or scientific study of the structure, development, and abnormalities of the teeth is called Odontology. The science that studies teeth and their surrounding tissues, especially the prevention and cure of their diseases is called Dentology.
 

They both are used to replace characters in a string

The 'sphinx' is a mythological animal with the body of a lion and the head of man. Each Sphinx was carved out of a single solid stone.

Yakshagana is a traditional Indian dance drama form developed in Karnataka state of India.

DNA is called the blueprint of life because it contains the instructions needed for an organism to grow, develop, survive and reproduce. DNA does this by controlling protein synthesis. Proteins do most of the work in cells, and are the basic unit of structure and function in the cells of organisms.