Transcription of Core practical 3: Observe mitosis in root tips
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Core practical 3: Observe mitosis in root tips
EDEXCEL Biology B Teacher Resource Pack 1 Pearson Education Ltd 2015 This document may have been altered from the original 1 core practical 3 Teacher sheet Observe mitosis in root tips practical activities have been safety checked but not trialled by CLEAPSS. Users may need to adapt the risk assessment information to local circumstances. core practical 3: Observe mitosis in root tips Objectives Know how to prepare a temporary slide of a root tip to Observe mitosis Recognise the stages of mitosis in dividing cells Identify hazards, associated risks and control measures for the procedure Safety Specification links Eye protection must be worn. Take care with glassware and scissors. Acetic orcein stain is corrosive, causes burns, has an irritating vapour and will stain. Wear eye protection and avoid contact with skin. If contact does occur, wash the area thoroughly with water for 10 minutes.
Core practical 3Teacher sheet Observe mitosis in root tips ... The cell counts show the relative duration of each stage in the cell cycle. The longer a phase, the more cells are likely to be going through that phase at any point in time. 4. Mitosis produces identical daughter cells for growth, replacement and repair.
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