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Chapter 12 Mitosis

Mitosis

QuestionAnswer
The centromere is a region in which ______.a.chromosomes are grouped during telophase b.metaphase chromosomes become aligned c.chromatids are attached to one another chromatids are attached to one another
All of the following occur during prometaphase of mitosis in animal cells EXCEPT: ____.a.the centrioles move toward opposite poles b.the nucleolus can no longer be seen c.chromosomes are duplicatedd.the spindle is organized chromosomes are duplicated
Two centrosomes are arranged at opposite poles of the cell.a.telophase b.anaphase c.prometaphase d.metaphase e.prophase prometaphase
Centrioles begin to move apart in animal cells.a.telophase b.anaphase c.prometaphase d.metaphase e.prophase prophase
This is the longest of the mitotic stages. a.telophase b.anaphase c.prometaphase d.metaphase e.prophase metaphase
Regarding mitosis & cytokinesis, one difference b/t higher plants & animals is that in plants _____. a cell plate begins to form at telophase, whereas in animals a cleavage furrow is inititated at that stage
Which of the following is NOT true of the bacterial chromosome? a.it has genes that control binary fission b.it consists of a single, circular DNA molecule c.its centromeres uncouple during replication its centromeres uncouple during replication
Cells that're in a Nondividing state are in which phase? G0
If mammalian cells receive a go-ahead signal at the element subscript element checkpoint, they will _____. complete the cycle and divide
What're the enzymes called that control the activites of other proteins by phosphorylating them? kinases
Created by: RosauraPerez
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