When can active transport happen A. When something is too small to fit through the cell membrane on it own
B. When water wants to enter a cell
C. When something is too large to fit through the cell membrane on it own

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Which description provides the best objective summary of the article in the passage?

Select the correct answer from each drop-down menu proteins are