Which of the following components provides a sticky character to the bacterial cell?

The eccentricity of the conic $\frac{5}{r}=2+3 \cos \theta+4 \sin \theta$ is

Which of the following molecules is linear?

In $Bryophytes$,the adult plant body is:

$A$ drop of liquid of diameter $2.8\, mm$ breaks up into $125$ identical drops. The change in energy is nearly ......... $ergs$ (Surface tension $= 75\, dyne/cm$)

Radioactive disintegration differs from a chemical change in being