Which organelle can be discribed as a large balloon-shaped organele

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?

Hydrogen has only one electron in its only (and outer) electron shell. if a hydrogen atom were to absorb a small amount of energy, where would bohr say the electron would go? a. fly off the atom b. nowhere, it would just speed up. c. spiral inwards towards the nucleus d. move up to another shell that would form