Prokaryotic ribosomes are $70S$,where '$S$' stands for:

Which of the following organelles is called the "protein factory of the cell"?

$DNA$ is not found in which of the following?

During protein synthesis,which organelle does each $t-RNA$ bring specific amino acids to,after picking them up from the cytoplasm?

Which of the following is non-membrane bound?

Granular structures found free in the cytoplasm as well as attached to the endoplasmic reticulum are: