The means by which a cell transports large molecules out of the cell is called

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.