Answer:
A. hairs on the back stand up when scared
Explanation:
B and C are not responses to stimuli, and D is a response to internal stimuli
The right answer is: <span>c<span>. Anaphase.
Anaphase is a very rapid phase of meiosis and mitosis where sister chromatids (during mitosis or meiosis II) or homologous chromosomes (during meiosis I) separate and migrates to opposite poles of the cell.
<span>These sister chromatids are associated with each other after the duplication by the action of a molecule called cohesin. Dysfunction of this protein may cause a number abnormality in the proteins after mitosis or meiosis. There will be no separation of the 2 sister chromatids.</span></span></span>
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The cell theory has been proven to be true . The cell theory states that:
1.All living things are made up of one or more cells.
2.All living cells come from pre-existing cells, by division.
3.The cell is the fundamental, structural unit of all living organism.
The organismal theory on the other hand argues that during plant growth/evolution, the original cell expanded into the whole organism. This opposes the 2nd tenet of the cell theory that all living cells come from pre-existing cells by division.