EVERYDAY SCIENCE

SCIENCE

RESPIRATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the two reactants of cellular respiration?
A
C6H12O6 & 6CO2
B
6 CO2 & 6H2O
C
C6H12O6 & 6O2
D
6CO2 & 6O2
Explanation: 

Detailed explanation-1: -Carbon dioxide + Water Glucose (sugar) + Oxygen CO2 + H2O C6H12O6 + 6O2 Cellular respiration or aerobic respiration is a series of chemical reactions which begin with the reactants of sugar in the presence of oxygen to produce carbon dioxide and water as waste products.

Detailed explanation-2: -Glucose is a monosaccharide, or simple sugar, with the chemical formula C6H12O6. Glucose represents the primary reactant used during cellular respiration, in which ATP is produced.

Detailed explanation-3: -The overall chemical reaction for cellular respiration is one molecule of glucose (C6H12O6) and six molecules of oxygen (O2) yields six molecules of carbon dioxide (CO2) and six molecules of water (H2O).

Detailed explanation-4: -The process of photosynthesis is commonly written as: 6CO2 + 6H2O → C6H12O6 + 6O2. This means that the reactants, six carbon dioxide molecules and six water molecules, are converted by light energy captured by chlorophyll (implied by the arrow) into a sugar molecule and six oxygen molecules, the products.

Detailed explanation-5: -The overall equation for aerobic cellular respiration is: In cellular respiration, glucose and oxygen react to form ATP. Water and carbon dioxide are released as byproducts.

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