To investigate the effect of phosphate on cell division in root tips.

Planning Exercise Aim To investigate the effect of phosphate on cell division in paper tips. Background knowledge phosphate ions (macronutrients) atomic number 18 inbred large amounts by plants. They be required for root growth. For the root tips cells to divide, mitosis has to occur. phosphate is needed for yield of ATP which provides energy for mitosis to occur. desoxyribonucleic paneling replication occurs during interphase of the cell cycle. deoxyribonucleic acid is do up of newton containing base, pentose kail and phosphate group. The phosphate group forms part of the sugar phosphate backbone of deoxyribonucleic acid. Phosphate is at that placefore necessary in DNA replication. During root growth, membranes besides grow and they argon made of phospholipids bi-layer which contains phosphates. Therefore, phosphates are needed their membranes to grow. Mitosis is the carry through in which a eukaryotic cells nucleus divides into two resembling fille nuclei. There are five dresss in mitosis. 1. Interphase, in this do the DNA in the nucleus replicates. Therefore, the chromosomes d wellhead of two same chromatids each. However, they are in conspicuous. 2. Prophase, in this stage chromosome belongs palpable as they become shorter and thicker. Replicated centrioles sustain opposite poles of nucleus and a arbour is formed. atomic windbag and nucleolus disappear. Chromosomes become visible and the two chromatids are wedded to each other at centromere. 3.

Metaphase, in this stage chromosomes are attached to mandrel by centromeres and line up crossways the equator. Chromosome separates at the centromere and the chromatids are pulled apart. 4. Anaphase, in this stage, chromatids are pulled by the microtubules and move to opposite poles. 5. Telophase, in this stage, chromatids reach the poles of the spindle and thermonuclear envelope reforms as well as nucleolus. The spindle in the end disappears. Nucleoli reappear. Mitosis is completed. Hypothesis My hypothesis is that as there is more intentness of phosphate, the... If you exigency to get a entire essay, order it on our website: Orderessay

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