#B4.3.1
a) describe the role of the cell cycle in growth, including interphase and mitosis
b) describe how to use a light microscope to observe stages of mitosis
PAG1
Learners are not expected to recall intermediate phases
#B4.3.2
describe cancer as the result of changes in cells that lead to uncontrolled growth and division
#B4.3.3
explain the role of meiotic cell division in halving the chromosome number to form gametes, including the stages of interphase and two meiotic divisions
Learners are not expected to recall intermediate phases
#B4.3.4
describe the function of stem cells in embryonic and adult animals and meristems in plants
#B4.3.5
explain the importance of cell differentiation, in which cells become specialised by switching genes off and on to form tissues with particular functions