Matter constantly cycles through the earth's spheres using many different processes. Photosynthesis and cellular respiration are two important processes in this cycling of matter. The products of photosynthesis are reactants in cellular respiration. The products of cellular respiration are the reactants of photosynthesis. This model shows the cycling of matter through these cycles. The model is unlabeled. Correctly label the products and reactants of cellular respiration. Choose ALL three that apply.

Responses
A A = ATPA = ATP
B B = CO2 + H2OB = CO 2 + H 2 O
C A = C6H12O6A = C 6 H 12 O 6
D D = O2 + C6H12O6D = O 2 + C 6 H 12 O 6
E B = O2 + C6H12O6B = O 2 + C 6 H 12 O 6
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B = CO2 + H2O

D = O2 + C6H12O6
E = O2 + C6H12O6

The correct answers are:

B = CO2 + H2O
D = O2 + C6H12O6

To correctly label the products and reactants of cellular respiration, we need to understand its process. Cellular respiration is a metabolic process that occurs in cells, where glucose (C6H12O6) and oxygen (O2) are used to produce carbon dioxide (CO2), water (H2O), and energy in the form of adenosine triphosphate (ATP).

Looking at the options provided:

A) A = ATP: This option correctly identifies ATP as one of the products of cellular respiration. ATP is the energy currency of cells.

B) B = CO2 + H2O: This option correctly identifies carbon dioxide (CO2) and water (H2O) as the two products of cellular respiration. These are the waste products that are exhaled and eliminated from the body.

C) A = C6H12O6: This option incorrectly identifies glucose (C6H12O6) as one of the products of cellular respiration. Glucose is actually a reactant that is broken down during the process.

D) D = O2 + C6H12O6: This option correctly identifies oxygen (O2) and glucose (C6H12O6) as the reactants of cellular respiration. Oxygen is the necessary gas that is breathed in and carried to cells for the process.

E) B = O2 + C6H12O6: This option correctly identifies oxygen (O2) and glucose (C6H12O6) as the reactants of cellular respiration.

Therefore, the correct options for labeling the products and reactants of cellular respiration are:

A = ATP
B = CO2 + H2O
D = O2 + C6H12O6
E = O2 + C6H12O6