Both statement I and statement II are correct.

Both statement I and statement II are incorrect.

Statement I is correct but statement II is incorrect.

Statement I is incorrect but statement II is correct.

lipid

sugar

protein

phospholipid

the operator is switched on.

the structural genes are expressed.

the chemical inducer is synthesized.

the structural genes are not expressed.

Infection $\rightarrow$ Centrifugation $\rightarrow$ Blending $\rightarrow$ Detection of radioactivity.

Centrifugation $\rightarrow$ Infection $\rightarrow$ Blending $\rightarrow$ Detection of radioactivity

Infection $\rightarrow$ Blending $\rightarrow$ Centrifugation $\rightarrow$ Detection of radioactivity

Blending $\rightarrow$ Infection $\rightarrow$ Centrifugation $\rightarrow$ Detection of radioactivity