The movement of material due to diffreneces in density is called

Describe the function of the endomembrane system? what organelles are involved?

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

Positrons are spontaneously emitted from the nuclei of