C Chromosomes break at centromeres,and sister chromatids move to opposite ends of the cell.
In the matrix of mitochondria the reactions known as the citric acid or Krebs cycle produce a chemical called NADH. NADH is then used by enzymes embedded in the mitochondrial inner membrane to generate adenosine triphosphate (ATP). In ATP the energy is stored in the form of chemical bonds.
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1.Sensory receptors are structures in your sense organs that react to a physical
stimulus in the environment.
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Answer:
what is bothering you im tanner
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