Lab: 11 Flashcards
What is binary fission?
the process in which a cell splits into two
What is the cell cycle comprised of?
Interphase and Mitosis
What are the substages of interphase?
G1, S, G2
Mitosis is nuclear division. T or F?
T
What is nuclear division?
when duplicated chromosomes separate to form two genetically identical daughter nuclei
What are the four phases of mitosis?
Prophase, Metaphase, Anaphase, Telophase
Arrange the sub levels of Interphase by increasing amount of time?
G2, S, and then G1
As the cell progresses through interphase it spend (less/more) time in each sub-phase of interphase?
less
The cell spends the majority of its time in what phase?
interphase
Approximately how much time does the cell spend in mitosis?
about an hour
If you were looking under a microscope, what would interphase look like? (in a plant cell)
nucleus would be clear
cell would appear “normal”
If you were looking under a microscope, what would early prophase look like? (in a plant cell)
nucleus disappears, but cell membrane still intact
chromosomes float randomly in space
If you were looking under a microscope, what would late prophase look look like? (in a plant cell)
Cell membrane disappears
chromosomes spread out
If you were looking under a microscope, what would metaphase look like? (in a plant cell)
chromosomes are all aligned in the middle
If you were looking under a microscope, what would early anaphase look like? (in a plant cell)
chromosomes have begun to split apart but are still mostly concentrated in the middle of the cell
If you were looking under a microscope, what would late anaphase look like? (in a plant cell)
chromosomes are being pulled in opposite directions
If you were looking under a microscope, what would telophase look like? (in a plant cell)
Chromosomes are concentrated at opposite poles and the cell plate has begun to form
If you were looking under a microscope, what would telophase look like? (in a plant cell)
chromosomes condense in their opposite poles and the cell plate has formed all the way through
What consists of the mitotic phase?
mitosis and cytokinesis
The majority of cells in an organism will be found in _________?
interphase
How does Cochline effect cell division?
inhibits the production of spindle fibers and therefor pauses the cell cycle in metaphase
How will cochline effect the cell phases observed?
None will be past metaphase
What phase do organelles duplicate?
G1 of interphase
What phase do centriole pairs duplicate?
S of interphase
