Life Cycle
The "M" Word
4 Parts to the Pie
Cytoki-WHAT?
DNA
100
The regular sequence of growth and division that cells undergo.
What is the cell cycle?
100
This stage is where the cell's nucleus divides into two new nuclei.
What is mitosis.
100
This holds chromosomes or each pair of chromatid together.
What is a centromere.
100
the cytoplasm divides, distributing the organelles into each of the two cells.
What is Cytokinesis.
100
Chromatin
What are strands of DNA and protein called during interphase?
200
This process is when the cell makes a copy of the DNA in it's nucleus.
What is DNA replication
200
during mitosis this is where one copy of DNA is distributed to.
What is each of the two daughter cells.
200
the chromatin in the nucleus condenses and forms chromosomes; spindle fibers form a bridge between the ends of the cell; nuclear membrane breaks down.
What is Prophase.
200
the cell membrane squeezes together around the middle of the cell and the cytoplasm pinches into two cells with half the organelles in each daughter cell.
What is cytokinesis in animal cells.
200
Replication
What happens to DNA prior to cell division?
300
During this stage the cell grows to its mature size, makes a copy of its DNA, and prepares to divide into two cells.
What is Interphase.
300
These are the four parts of Mitosis.
What is prophase, metaphase, anaphase, and telophase.
300
Chromosomes line up across the center of the cell; each chromosome attaches to a spinde fiber at its centromere, which holds the chromatids together.
What is Metaphase.
300
the structure called the cell plate forms across the middle of the cell, and the cell plate gradually develops into new cell membranes between the two daughter cells, then the new cell walls form around the cell membrane.
What is cytokinesis in plant cells.
300
replicated strands of DNA that are attached
What are chromatids?
400
The first part of interphase, where the cell matures to its full size and structure.
What is growth.
400
Doubled rod of condensed chromatin.
What is Chromosome.
400
Centromeres split, two chromatids seperate, they chromatids move along the spindle fiber to opposite ends of the cel, the cell becomes stretched out as the opposite ends pull apart.
What is Anaphase.
400
this cell division is not done equaly, instead a small bud (daughter cell) pinches off the parent cell, then the bud grows into a full-sized cell.
What is the yeast cell.
400
the point where two chromatids are attached after replication
What is the centromere?
500
Once the cell's DNA has replicated it is prepared to _______.
What is divide.
500
Identical rod, or strand, of the chromosome.
What is chromatid.
500
At the two regions at the ends of the cell, the chomosomes begin to stretch out and lose their rod like structure;nuclear membrane begins to form around each seperate region.
What is Telaphase.
500
Each cell enters interphase and the cell cylce begins agains.
What is the end of cytokinesis.
500
a sequence of DNA that carries the instructions for one trait
What is a gene?
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