Cell Size
Cell Cycle
Mitosis I
Mitosis II
Cancer
100
transport of substances occurs more easily in a...?
small cell
100
What happenes during G1 phase?
cell grows and develop
100
What are Sister Chromatids?
2 identical parts of a chromosome joined together by the centromere
100
What occurs during anaphase?
-centromeres split -sister chromatids are pulled to opposite sides -ends when chromosomes stop moving
100
What is the basic definition of cancer?
Cells that undergo uncontrolled cell growth.
200
Once a cell reaches its limit, what will it so?
1. stop growing 2.divide
200
What happenes during S phase
DNA replication
200
What is a centromere?
the middle part of the chromosome that holds together the sister chromatids
200
What occurs during telophase?
-nuclear membrane reforms -spindles and centrioles break apart - chromosomes relax back to chromatin
200
What causes cancer to form?
More than one mutation to the cells DNA which affects the cell's ability to undergo checkpoints.
300
What is the result of the cell cycle?
Two Identical Cells
300
What happens during G2 phase?
The cell prepares for division
300
What does IPMATC stands for?
I-interpahse P-prophase M-metaphase A-anaphase T-telophase C-cytokinesis
300
what occurs during cytokinesis?
-division of the cytoplasm
300
Where do checkpoints occur during the cell cycle?
-Between G1 and S -Between G2 and M - At the end of Mitosis before cytokinesis
400
Each times a cell goes through one complete cell cycle, what happenes?
It becomes two cells
400
What occurs during M phase?
Cell's nucleus and nuclear material divide.
400
What occurs during prophase?
-chromosomes appear -chromosomes attach to spindle -nuclear membrane breakes down
400
A cell with 10 chromosomes undergoes mitosis and cell division. How many daughter cells are produced and how many chromosomes will they have?
2 cells, 10 chromosomes each
400
Why are the elderly more likely to develop cancer?
Because they have had more time to accumulate mutations to their DNA
500
What does interphase includes?
G1, S, G2
500
What is a chromosome?
Structure that contains genetic information.
500
What occurs during metaphase?
-chromosomes line up at the center of cell
500
Cytokinesis begins after?
telophase
500
What are the roles of stem cells in adults and in embryos?
Adults- repair and maintenance of specific organs Embryos- go from unspecialized to specialized cells
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