Tracer elements are

Feulgen positive reactions are shown by

Where is the Centre for Cellular and Molecular Biology $(CCMB)$ located?

$A$ student wishes to study the cell structure under a light microscope having $10X$ eyepiece and $45X$ objective. He should illuminate the object by which one of the following colours of light so as to get the best possible resolution?

An $\mathring{A}$ $(\text{AA})$ is equal to

Phytotron is a device by which