Question

1. the model in figure 1 can best be described as

a model of cellular respiration at the molecular level, which accurately shows that matter and energy are neither created or destroyed.
a model of cellular respiration at the tissue level, which accurately shows how energy and matter flow through different organizational levels of an organism.
a model of cellular respiration at the system level, which accurately shows how matter and energy flow within an organism and between the organism and the surroundings.
a model of cellular respiration at the cellular level, which accurately shows that matter is used to create energy.

Explanation:

Cellular respiration occurs at the molecular level. The law of conservation of matter and energy (matter and energy are neither created nor destroyed) is a fundamental principle in cellular respiration. The first option correctly describes the model as being at the molecular level and adhering to this principle. The second option (tissue level) is incorrect as cellular respiration's core molecular - level processes are key. The third option (system level) is also wrong as it's more about molecular - level reactions. The fourth option is incorrect because matter is not used to create energy (energy transformation occurs, not creation) as per the conservation law.

Answer:

a model of cellular respiration at the molecular level, which accurately shows that matter and energy are neither created or destroyed.