Consider the following statements and choose the correct statement.
$(i)$ The endomembrane system includes mitochondria,chloroplast and peroxisomes.
$(ii)$ Smooth endoplasmic reticulum is the major site for synthesis of lipid.
$(iii)$ Rough endoplasmic reticulum is actively involved in protein synthesis.
$(iv)$ Mitochondrial matrix possesses single circular $DNA$,a few $RNA$ and $80\; S$ ribosomes.
Which of the above statements are correct?

Which organelle given below is not a part of the endomembrane system?

Given below are two statements:
Statement $I$: Mitochondria and chloroplasts are both double-membrane-bound organelles.
Statement $II$: The inner membrane of mitochondria is relatively more permeable compared to the inner membrane of chloroplasts.
In the light of the above statements,choose the most appropriate answer from the options given below:

$A$ $1 \ ml$ pipette can contain about

Choose the correct statements regarding cell organelles and their inclusions.
$A$. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria.
$B$. Rough endoplasmic reticulum bears ribosomes on its surface.
$C$. Both mitochondria and plastids have circular $DNA$.
$D$. $A$ network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton.
$E$. Mitochondrion is a single membrane-bound structure.
Choose the correct answer from the options given below:

Differentiate between a prokaryotic cell and a eukaryotic cell.