BIOL107 Midterm: Bio93PracticeExam2QuestionsKey
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What type of reaction is this: a hydrolysis reaction, an exergonic reaction, an endergonic reaction, a combustion reaction, a synthesis reaction. This is an endergonic reaction because the energy from the warm water (it is heated and is at a higher temperature than the ice) is used and absorbed to break the bonds in the ice cube. This is what melts the ice cube: a cell has 32 chromosomes normally. How many chromosomes will there be after the cell reaches the metaphase stage of the cell cycle: 32, 16, 64, 30, 46. Remember that the cell goes through the s stage before mitosis and thus there are 2 copies of each chromosomes leading to 64 chromosomes: the same cell from above (normally has 32 chromosomes) reaches telophase. How many chromosomes are in each daughter cell that is about to be formed: 32, 16, 64, 30, 46, a mouse cell normally has 16 chromosomes.