In kidney cells, charged ions like sodium and chloride are reabsorbed from the urine against a concentration gradient. which mode of cellular transport is employed here?

select one of the options below as your

a. facilitated diffusion
b. simple diffusion
c. osmosis
d. active transport

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u

if you know your abc's you should be able to get your answer or just use google