The cells lining the proximal convoluted tubule Group of answer choices reabsorb organic nutrients, plasma proteins, and ions from the tubular fluid. are unusually tall, and their nuclei are clustered together. reabsorb water and reabsorb or secrete sodium, potassium, hydrogen, and bicarbonate ions. are closely associated with unusual smooth muscle fibers. are not permeable to water and solutes.

that scientist would be robert hooke

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

synapse nervous system