Question

Question 1 2 pts A mutation in the gene for a cyclin protein might result in which of the following? unregulated cell cycle all of the answers a cell with less genetic material than normal none of the answers O a cell with more genetic material than normal

Answer 1

1. A mutation in the gene for cyclin protein mightresult in

unregulated cell cycle.

A cyclic sythesis and degradation of cyclin proteins is required for the cell to pass each phase of the cell cycle.

3.. If the cell has completed mitosis but not cytokinesis,

the cell would have two nuclei.

since the number of chromosomes is not mentioned in the question, I can not comment on that aspect. However,nuclear envelope forms in telophase, i.e, before cytokinesis. Therefore, if the cell does not undergo cytokinesis, the cell would have two nuclei.

4. The point of the cell cycle at which the cells are smallest-

beginning of G1 phase.

both the G1 and G2 phases of a cell cycle are growth phases, where the cell would increase in size and accumulates all the proteins required for the cell cycle.