Glucose is made of 6 carbons. Where did those carbons originally come from?

1 Answer
Jul 5, 2017

Answer:

It comes from Carbon Dioxide.

Explanation:

Glucose is formed through Photosynthesis by plants and some eukaryotas.

During that process, 6 molecules of #CO_2# with 6 molecules of #H_2O# are converted into 1 molecule of Glucose and 6 molecules of #O_2#. This reaction uses sunlight as the source of energy.

Or basically like this:

#6# #CO_2 + ##6# #H_2O => C_6H_12O_6# #(Glucose) + 6# #O_6#

References and Further Reading:
Glucose
Photosynthesis