About the proximal convoluted tubules , all are true except :
A
reabsorb most of Na+ ions in glomerular filtrate
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B
reabsorb most of Cl- ions in glomerular filtrate
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C
reabsorb most of K+ ions in glomerular filtrate
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D
contain JGCs which secrete rennin
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Solution
The correct option is D
contain JGCs which secrete rennin
JGCs are specialized smooth muscle cells mainly in the walls of the afferent arterioles, and some in the efferent arterioles, that deliver blood to the glomerulus.