Bio quiz Excreation V3 0.0 / 5 ? BiologyCellular processesA2/A-levelOCR Created by: LordblipCreated on: 16-01-16 15:26 The transport of molecules against the concentration gradient using ATP active transport 1 of 10 The flow of molecules from a region of high concentration to a region of low concentration Diffusion 2 of 10 Diffusion that is enhanced by the action of proteins in a cell membrane Facillitated diffusion 3 of 10 special proteins in the cell surface membrane that actively transport sodium and potassium ions against their concentration gradients sodium-potassium pumps 4 of 10 released from the pituitary gland and acts on the collecting ducts in the kidneys to increase the reabosrption of water ADH 5 of 10 The functional unit of the kidney Nephron 6 of 10 an excretory product formed from the breakdown of excess amino acids Urea 7 of 10 one of the waste products from the breakdown of haemoglobin Bilirubin 8 of 10 the removal of metabolic waste from the body Excreation 9 of 10 receptor cells that monitor the water potential of the blood osmoreceptors 10 of 10
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