Which of the following statements concerning carbohydrates associated with the plasma membrane is correct? (eText Concept 7.1)

* Carbohydrates on the plasma membrane are typically short chains of between two and five monosaccharides.
* Carbohydrates are only found associated with the membranes of prokaryotic cells.
* The carbohydrate composition of most eukaryotic plasma membranes is quite similar.
* Carbohydrates associated with the plasma membrane are located on both surfaces of the membrane.
* Membrane carbohydrates function primarily in cell-cell recognition.

The correct answer is : * Membrane carbohydrates function primarily in cell-cell recognition.

Explanation:

The carbohydrates (poly or oligosaccharides) associated with the plasma membrane, are covalently bound to it (to proteins or lipids). They are found in the outer part of the plasma membrane forming the glycocalix. Its main functions are:

-Cell recognition

-Support to the membrane.

explanation:

for  example, forests have higher evapotranspiration than other ecosystems,  such  as grasslands, because of their deeper roots and greater leaf area. thus forests have a net moistening effect on the atmosphere and become a moisture source for downwind ecosystems.

they kick it to the curb.

explanation:

that current was nasty.