AQA A-level BIOLOGY

AQA A-Level Biology Exam Questions With Complete Solutions polymer long molecules formed from combinations of many monomers joined together condensation reaction a chemical reaction in which two or more molecules join and produces one water molecule hydrolysis reaction A chemical reaction that breaks apart a larger molecule by adding a molecule of water isomers Compounds with the same chemical formulae but different structures. carbohydrates compounds made from carbon, hydrogen and...

AQA A level biology- Osmoregulation Complete Questions And Answers Where are osmoreceptors located? Hypothalamus When a person is dehydrated, the cell volume of an osmoreceptor decreases. Explain why 1) Water potential of blood will decrease 2) Water moves from osmoreceptors into blood by osmosis Describe and explain how the secretion of ADH affects urine produced by the kidneys? 1) Permeability of (membrane/cells) to water is increased 2) More water absorbed (from/leaves) distal tub...

AQA A LEVEL BIOLOGY PAPER 2 MARKING SCHEME 2019 A-LEVEL Biology 7402/2 - Paper 2 Mark scheme June 2018 Version/Stage: 1.0 Final

AQA A-Level Biology Exam Questions With Complete Solutions polymer long molecules formed from combinations of many monomers joined together condensation reaction a chemical reaction in which two or more molecules join and produces one water molecule hydrolysis reaction A chemical reaction that breaks apart a larger molecule by adding a molecule of water isomers Compounds with the same chemical formulae but different structures. carbohydrates compounds made from carbon, hydrogen and...

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