The external or internal framework which provides support to the body is called_______.

Complete the reaction:

Calcium hydroxide + carbon dioxide → _________ + water

Who discovered the cell?

In protein synthesis, different types of amino acids are brought to the ribosome where proteins are made?

A pattent of hypermetropia is given spectacles of

Examples of homologous organs are -

The connecting link between amphibians and reptiles is -

The bending of light when it passes around a corner or a slit is due to ______.