DNA
Cell Division
Cells
Chromosomes
100
What do the long DNA models look like?
Spiralling ladders
100
What is mitosis?
Mitosis is the process of a cell's nucleus dividing to form two identical nuclei.
100
What is the control center of the cell called?
The nucleus
100
What are chomosomes made of?
Chromsomes are made of DNA.
200
What do the ladders have millions of?
The ladders have millions of rungs.
200
What is cell division?
The cell divides to form to equal sized cells.
200
True or False - Every DNA molecule in your body is just like the others.
TRUE
200
What letters fit with eachother in the DNA code?
A fits only with T, and C fits only with G.
300
What are the rungs in a DNA ladder made of?
The rungs are made of smaller molecules arranged in specific patterns.
300
What is the first step in the process of mitosis?
The DNA molecules makes an exact copy of themselves.
300
True or False- Cells only divide when we are young.
False
300
How many chromosomes does each body cell contain?
46 chromosomes
400
What is each section of DNA called?
Each section of DNA is called a gene.
400
Once the cells have lined up, what is the next step in the process of mitosis?
The cells split apart and move to either side of the cell.
400
What do genes control?
One or more traits
400
True or false- Each of the two new cells, after mitosis and cell division, have a complete set of chromosomes.
True
500
What are the 4 letters that represent the DNA language?
A, T, C and G.
500
What is the final step of cell division?
The entire cell divides into two equal sized offspring cells.
500
Do we have the exact same genes as our parents?
No
500
When a nucleus duplicates it's chromosomes how many chromosomes are in a cell before it splits?
92 Chromosomes
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