To investigate the effect of phosphate on cell division in root tips.
Date Submitted: 09/10/2006 01:03:31
Category: / Science & Technology / Chemistry
Length: 5 pages (1427 words)
Category: / Science & Technology / Chemistry
Length: 5 pages (1427 words)
Planning Exercise
Aim
To investigate the effect of phosphate on cell division in root tips.
Background knowledge
Phosphate ions (macronutrients) are needed large amounts by plants. They are required for root growth. For the root tips cells to divide, mitosis has to occur. Phosphate is needed for production of ATP which provides energy for mitosis to occur.
DNA replication occurs during interphase of the cell cycle. DNA is made up of nitrogen containing base, pentose …
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…found out that using Sach's solution the percentage of cells that have undergone mitosis is roughly 20%.
Validity
My method and apparatus is based on investigations carried out in preliminary therefore, the results produced should be reliable.
Safety Procedures
Wear safety goggles.
Wear an apron to protect our skin and uniforms.
The extra care is needed with hydrochloric acid.
Disposed chemicals in the sink after use
Do not store corrosive chemicals on the edge of table
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