The purpose of spindle fiber is to divide the chromosomes in a parental cell to make them into two daughter cells.
Answer:
A thylakoid is a sheet-like membrane-bound structure that is the site of the light-dependent photosynthesis reactions in chloroplasts and cyanobacteria. It is the site that contains the chlorophyll used to absorb light and use it for biochemical reactions.
Explanation:
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The tilt of earth's axis and earth's revolution around the sun hope i helped
