Chemistry, 30.01.2020 08:00 sheram2010

Which describes the role of oxygen in photosynthesis and cellular respiration?
oxygen is a reactant in photosynthesis and a product of cellular respiration.

oxygen is a product of photosynthesis and a reactant in cellular respiration.

oxygen is produced in both photosynthesis and cellular respiration.

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The statement that describes the role of oxygen in photosynthesis and cellular respiration is oxygen is a product of photosynthesis and a reactant in cellular respiration.

PHOTOSYNTHESIS:

Photosynthesis is the process whereby green plants obtain their food (glucose) using energy from sunlight. Photosynthesis combines glucose and oxygen molecules to produce carbon dioxide (CO2) and water (H2O).

CELLULAR RESPIRATION:

Cellular respiration is the process whereby living organisms obtain energy by breaking down food molecules in their cells. Cellular respiration combines carbon dioxide (CO2) and water (H2O) to produce glucose and oxygen as products. Therefore, the statement that describes the role of oxygen in photosynthesis and cellular respiration is oxygen is a product of photosynthesis and a reactant in cellular respiration.

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Answer from: semily74

Oxygen is a product of photosynthesis and a reactant in cellular respiration.

Explanation:

During photosynthesis green plants manufacture their food using carbon dioxide and water in the presence of sunlight. The product of this reaction is formation of food and oxygen gas to the environment. Therefore, oxygen is given off during photosynthesis.

During cellular respiration, organisms use oxggen gas to liberate energy from food. Most times carbon dioxide is the waste product from the reaction.

Answer from: Quest

sorry idk the answer well to you i have a explaination

explanation: a formula which shows the arrangement of atoms in the molecule of a compound

Answer from: Quest

explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is $1s^{2}2s^{2}2p^{6}3s^{1}$ and electronic configuration of phosphorous is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$ .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

$3na + p \rightarrow na_{3}p$

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.

Electrons are transferred from atoms of to atoms of this transfer makes the sodium atoms and the

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Which describes the role of oxygen in photosynthesis and cellular respiration?
oxygen is a r...

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