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What does ADH do in the Kidney?

ADH or Anti Diuretic Hormone is a hormone that regulates the amount of water absorbed in the kidney. It acts on the collecting duct of the kidney, which is the last part of the nephron (a single functional u...
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Answered by Julia H. • Biology tutor
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What is mitosis?

Mitosis is the process of cells dividing to form two identical daughter cells. It consists of five stages: interphase, prophase, metaphase, anaphase and telophase. Interphase is the stage during which the ce...
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Answered by Chloe H. • Biology tutor
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State three ways in which a yeast cell differs from plant cells.

Yeast cells contain stored glycogen, whereas plant cells contain stored starch. Plant cells reproduce through mitosis whereas yeast cells reproduce through binary fission Plant cells contain chloroplasts, ye...
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Answered by Coralie B. • Biology tutor
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Describe how water moves from roots to leaves (3 marks)

Via the process of transpiration:Water is evaporated from the leaves in the canopy. Due to capillary action, this causes more water to move up the plant through the xylem vessels to replace the water as it i...
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Answered by Laura N. • Biology tutor
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Why are nitrogen and phosphorus vital in photosynthesising plants

Phosphorus is a vital building block and is used in the compound ATP, it is also a vital component within nucleotide and protein synthesis with the sugar phosphate backbone found in DNA and RNA being compose...
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Answered by Rory H. • Biology tutor
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