$DNA$ is found in which of the following?

What type of chromosome is shown in the figure?

The movement of substances through the nuclear pore is facilitated by $..........$.

Telocentric chromosome differs from acrocentric chromosome in that

$DNA$ genetic material occurs by itself in lower organisms and combined with proteins as nucleoproteins in higher organisms. The nucleoprotein is organized in higher forms to form

The biogenesis of eukaryotic ribosomes occurs in the ........