This is a worksheet on cell organelles and their functions. There are 45 questions set up in a matching format. All questions deal with either the structure of the organelle or the functions of the organelles.
'Previously, the nuclear membrane was thought to be mostly just a protective bubble around the nuclear material, with pores acting as channels to transport molecules in and out. But in a study published on October 26 in Nature Cell Biology, a research team led by Irene Chiolo documents how broken strands of a portion of DNA known as heterochromatin are dragged to the nuclear membrane for repair.' Nuclear membrane repairs the 'dark matter' of DNA: