Question

20. In eukaryotic cells, the timing of the cell is regulated by?
A) Centrioles
B) Cyclins
C) Spindle fibers
D) The nuclear envelope
21. Cancer is a disorder in which some cells have lost the ability to control their
A) Size
B) Spindle fibers
C) Growth rate
D) Surface area

Answer 1

20. cyclins

Answer 2

21. C

Answer 3

Cancer cells have lost the ability to control the reproduction of the cells, so they continue to grow.