In an animal cell,protein synthesis takes place in:

How many genome types are present in a typical green plant cell?

Which of the following is an incorrect pair?

Consider the following statements and choose the incorrect option:
$a$. Large and more numerous nucleoli are present in cells actively carrying out protein synthesis.
$b$. Nuclear pores allow bidirectional movement of molecules.
$c$. Cytoskeleton is a glycolipid structure for mechanical support,motility and maintenance of the shape of the cell.
$d$. Steroidal hormones are synthesized by Golgi complex.

Mark the incorrect statement.

In the given figure,what do the parts labeled '$a$' and '$b$' represent respectively?