Question

8/50
in which way are photosynthesis and cellular respiration different?
photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
cellular respiration produces oxygen, while photosynthesis uses oxygen.
photosynthesis releases energy, while cellular respiration stores energy.
cellular respiration stores atp, while photosynthesis releases atp.

Explanation:

Photosynthesis is a process where plants use carbon dioxide, water, and sunlight to produce glucose and oxygen. Cellular respiration is the process by which cells break down glucose (or other organic molecules) in the presence of oxygen to release energy (in the form of ATP), along with carbon dioxide and water as by - products.

• For the first option: Photosynthesis uses carbon dioxide (\(CO_2\)) as a reactant (\(6CO_2+6H_2O

ightarrow C_6H_{12}O_6 + 6O_2\)) and cellular respiration produces \(CO_2\) as a by - product (\(C_6H_{12}O_6+6O_2
ightarrow6CO_2 + 6H_2O+\text{Energy (ATP)}\)).

• Second option: Cellular respiration consumes oxygen, and photosynthesis produces oxygen.
• Third option: Photosynthesis stores energy (in the form of glucose), and cellular respiration releases energy (from glucose breakdown to form ATP).
• Fourth option: Cellular respiration produces (stores in the sense of synthesizing) ATP, and photosynthesis also produces ATP (during the light - dependent reactions), but the main energy - storing molecule from photosynthesis is glucose.

Answer:

A. Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.