Los protones tienen una carga positiva. Los electrones tienen una carga negativa. La carga del protón y del electrón son exactamente del mismo tamaño, pero opuestas.
The answer is A) less than 2.9
The endoplasmic reticulum can either be smooth or rough, and in general its function is to produce proteins for the rest of the cell to function. The rough endoplasmic reticulum has on it ribosomes, which are small, round organelles whose function it is to make those proteins.
It is also known as 'The Great Bear'
