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Explain the role of the Loop of Henle in the absorption of water from the glomerular filtrate

After the filtrate in the nephron undergoes Selective Reabsorption in the Proximal Convoluted Tubule, it then travels to the Loop of Henle. The Loop of Henle is a ‘U’ shaped structure found in the Medullary ...
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Answered by Akshee A. • Biology tutor
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Describe how regulators maintain a constant body temperature?

Receptors in the skin send messages to the hypothalamus in the brain which then sends nerve impulses to effectors around the body. Examples of effectors include sweat glands, blood vessels and muscles. The b...
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Answered by Katie S. • Biology tutor
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Describe the stages of mitosis?

First the chromosomes condense and the centrioles form and spindles project from them. This is the prophase. The nuclear membrane breaks down and the spindle attaches to the chromosome. Then the chromosomes ...
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Answered by Harry D. • Biology tutor
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What is photosynthesis? Where does it occur? What are the reactants and products of the process?

Photosynthesis is the process that allows plant cells to convert light energy (from the sun rays) into chemical energy. This energy is biologically useable to the plant, and essential to it's survival. The r...
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Answered by Hannah D. • Biology tutor
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Cells go through a series of stages in order to replicate themselves, called mitosis. Briefly describe each stage of mitosis. (8)

1 mark for each name1 mark for each explanation Prophase - DNA condenses into chromosomesMetaphase - Chromosomes line up along equator of cellAnaphase - Sister chromatids pulled apart to form two identical d...
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Answered by Charlie H. • Biology tutor
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