Front | What happens in the proximal convoluted tubule? |
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Back | - Na+K+ATPase in epithelial cells - actively transports Na+ into blood using ATP - maintains concentration gradient for diffusion of Na+ from lumen into epithelial cells - to provide energy for the co-transport of glucose using the same carrier protein - glucose moves into blood by facilitated diffusion - water potential in lumen increases - water absorbed into cells by osmosis |
Tags: homeostasis
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