1- es el valor aproximado a la medida verdadera

2- para realizarla se coloca la unidad sobre sobre la magnitud desconocida

3- representa un el número de dígitos de los cuales se tienen mayor seguridad en los resultados de mediciones

The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

Nh3 +02-no + h20 is unbalanced what is the balanced equation

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.