The compound synthesized during photosynthesis is- A. H2O (water)

B. C6H12O6 (Glucose)

C. CO2

D. Light (solar) energy

D

Explanation:

The term photosynthesis means literally “synthesis using light.” Photosynthetic organisms use solar energy to synthesize carbon compounds that cannot be formed without the input of energy. More specifically, light energy drives the synthesis of carbohydrates from carbon dioxide and water with the generation of oxygen.

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regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

answer; i believe the correct answer is (replication is not conservative);