Biology 9700/22 — October/November 2017
Cambridge AS Level · AS Level Structured Questions · worked solutions for every part, with the mark scheme
Topics Cell Structure · Cell Membranes and Transport · Biological Molecules · Transport in Mammals · The Mitotic Cell Cycle · Enzymes · +4 more
The root apical meristem is a region of undifferentiated cells in the root tips of plants. Mitosis occurs in this region.
Fig. 1.1 is an image of the root tip of Allium as observed using a microscope with a low-power objective lens.
State which region, B, C, or D, should be chosen in order to observe the highest proportion of cells in stages of mitosis.
region = ______
Draw a labelled diagram to show the structure of a chromosome at late prophase of mitosis.
Describe the behaviour of the nuclear envelope during mitosis.
The rest of this paper
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