During anaphase, sister chromatids are pulled to opposite poles by the spindle fibers in preparation for cleavage.
iconic bond -> sharing of many electrons
metallic bond -> sharing of electrons
covalent -> transferring of electrons
hope this helps...
Somatic cell compare to mutations is the key to the house
A synonym for observation could be remark.
Endocytosis and exocytosis are similar in that they are both forms of cell transport. They differ because in endocytosis, a cell transports molecules into a cell (think: endo - in), and in exocytosis, the cell's molecules are transported by being expelled.