Descreva qual o caminho do impulso nervoso em uma pancada no joelho (dor) e o levantamento da perna

The influenza virus cause the flu, but not other diseases. why?

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.