How do plants recycle carbon during photosynthesis?(1 point)

Responses.,

The carbon in oxygen molecules is recycled during photosynthesis.
The carbon in oxygen molecules is recycled during photosynthesis.

The carbon in carbon dioxide is recycled during photosynthesis.
The carbon in carbon dioxide is recycled during photosynthesis.

The carbon in glucose is recycled during photosynthesis.
The carbon in glucose is recycled during photosynthesis.

The carbon in water is recycled during photosynthesis.

7 answers

The correct response is:

The carbon in carbon dioxide is recycled during photosynthesis.

During photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and use it to produce glucose (C6H12O6), effectively recycling carbon within the ecosystem.

How do plants recycle hydrogen during cellular respiration?(1 point)
Responses

The hydrogen in water is recycled when glucose is formed.
The hydrogen in water is recycled when glucose is formed.

The hydrogen in glucose is recycled when hydrogen gas is formed.
The hydrogen in glucose is recycled when hydrogen gas is formed.

The hydrogen in glucose is recycled when water is formed.
The hydrogen in glucose is recycled when water is formed.

The hydrogen in hydrogen gas is recycled when glucose is formed.
The hydrogen in hydrogen gas is recycled when glucose is formed.

The correct response is:

The hydrogen in glucose is recycled when water is formed.

During cellular respiration, hydrogen atoms from glucose are utilized in metabolic processes, ultimately leading to the formation of water (H2O) as a byproduct.

How many molecules of water are recycled when one molecule of glucose is created during photosynthesis?(1 point)
Responses

12
12

3
3

1
1

6
6

The correct response is:

6

During photosynthesis, specifically in the Calvin cycle, 6 molecules of water are used to produce 1 molecule of glucose.

Scientists used radioactive hydrogen to make water. They grew plants using the radioactive water. What happened to the radioactive hydrogen during photosynthesis?(1 point)
Responses

It was recycled when light energy was formed.
It was recycled when light energy was formed.

It was recycled when glucose was formed.
It was recycled when glucose was formed.

It was recycled when water was formed.
It was recycled when water was formed.

It was recycled when hydrogen gas was formed.

The correct response is:

It was recycled when glucose was formed.

During photosynthesis, the radioactive hydrogen from the water is incorporated into glucose molecules, thus recycling the hydrogen during the process.

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