What starts the light reaction of photosynthesis? a. water from the roots travel to the leaves. b. light strikes the chloroplast. c. light strikes the mitochondrion. d. a period of darkness precedes.

Option B

Explanation:

Photosynthesis can be explained as the method through which most plants, some bacterias, a few protistans and algae prepare their food by utilizing light energy obtained from the sun.

In plants, the photosynthesis process starts with the absorption of sunlight through chlorophyll present in the chloroplast organelles. The method proceeds by the production of glucose with the help of absorbed sunlight, water and carbon dioxide, which later leads to the production of ATP(energy).

Therefore, the correct answer is "Option B".

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explanation:

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: