Which cell structure do nutrients pass through to enter a cell?

Iwll give extra points to who gets this for ! what type of reaction is this? ?

Particles vibrate in a rigid structure and do not move relative to their neighbors.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.