Question

Which number remains unchanged during photosynthesis?(1 point)
Responses

the number of carbon dioxide molecules
the number of carbon dioxide molecules
the number of glucose molecules
the number of glucose molecules
the number of carbon atoms
the number of carbon atoms
the number of water molecules

Answer 1

The correct response is **the number of carbon atoms**. During photosynthesis, carbon dioxide molecules are used to create glucose, but the total number of carbon atoms remains constant as they are rearranged rather than created or destroyed.