¿En el siglo XVII, los biólogos, con ayuda del microscopio, observaron diversidad de estructuras de plantas y animales, estos tejidos observados presentaban algunas características que lo diferenciaba, pero una se repetía en todos ellos?

V1t2 = v2t1 is an expression of who’s law

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.