Answer;
-They are absorptive interfaces with the environment.
Explanation;
-The important point is that the surface area to the volume ratio gets smaller as the cell gets larger. Thus, if the cell grows beyond a certain limit, not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.
-The surface area to volume ratio of an object is the relationship between two measurements. It is the ratio of Surface area to volume. It shows the comparison between the size of the outside of an object and the amount inside. Small or thin objects have a large surface area compared to the volume.
The macula densa cells monitor the NaCl content of the filtrate entering the distal convoluted tubule.
Define juxtaglomerular apparatus.
The juxtaglomerular apparatus, often referred to as the juxtaglomerular complex, is a kidney structure that controls how each nephron, or functional unit of the kidney, performs.
What are macula densa cells ?
According to the traditional paradigm, the distal nephron's macula densa cells serve as salt sensors and send chemical signals to the juxtaglomerular apparatus to regulate key kidney activities like renal blood flow, glomerular filtration, and renin release.
Learn more about macula densa cells here:-
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Through Polymerization larger molecules are formed.
You multiply 15,000 by .1, which equals 1,500. Then you add that to 15,000. This equals 16,500. That is your answer.
