The specificity of the potassium channel for K over Na is mainly the result of: Group of answer choices presence of carbohydrates in the channel. phospholipid composition of the channel. hydrophobicity of the channel. presence of cholesterol in the channel. differential interaction with the selectivity filter protein.

Students in biology are studying the macromolecules of life. they used a calorimeter to determine the calories in various types of food. once the lab was completed, the students ate the left over food samples. monica commented that in just 6 or 7 "chews" of the saltine, it was gone; nothing but a sticky paste in her mouth. elaborate on what happened chemically while chewing the saltine. include the macromolecules present.

The chemical form of energy that is useable by the cell to do work

(amoeba sisters video recap: pedigrees and need