Stages of the Cell Cycle
What is the 1st phase of cell division, and what is happening?
INTERPHASE: chromosomes multiply
What is a carcinogen?
Something that causes cancer
What type of cells divide using mitosis?
Body cells
How many pairs of chromosomes do we have in the human body?
23
What is a chromosome?
A structure that contains super tightly coiled up DNA
What is the 2nd phase of mitosis, and what is happening during this phase?
PROPHASE: chromosomes condense
What is cancer?
uncontrolled cell division
Why do cells multiply?
To replace damaged cells/allow us to grow
What letter is used to indicate the number of distinct chromosomes in an animal?
"n"
What is volume?
The amount of space inside of something
What is the 3rd phase of mitosis, and what is happening during this phase?
METAPHASE: chromosomes line up in the middle
Besides carcinogens, what else can cause cancer?
mutations, genetic inheritance
We start with a 2n cell before mitosis, what type of daughter cells do we get as a result of mitosis?
2n daughter cells
What are the "strings" that pull apart the chromosomes during cell division called?
spindles
What is surface area?
The area surrounding an object
What is the 4th phase of mitosis, and what is happening during this phase?
ANAPHASE: chromosomes separate
Risk of cancer increases with....?
Age
What is the center structure of a chromosome?
Centromere
What is apoptosis?
Programmed cell suicide
What is the 5th phase of mitosis, and what is happening during this phase?
TELOPHASE: cell splits
What are the three stages WITHIN Interphase that serve as checkpoints to prevent uncontrolled cell division (cancer)?
G1, S, G2
What does "diploid" mean?
2 copies of each chromosome
What is "haploid"?
"n"/ the number of different chromosomes in an animal