10.3 And 10.4 Quiz Flashcards
External regulators
Injuries; ex. Growth factors
Internal regulators in cell cycle
Checkpoints; ex. Cyclins
Apoptosis
Programmed cell death (we we aren’t webbed)
Cancer is uncontrolled growth, which leads to _________ ____________.
Tumor formation
Benign tumor
Stays in one place but gets larger. Can be treated by radiation or surgical removal.
Malignant tumor
Can travel through out your body. Treated through chemotherapy (good, bad, and ugly ):)
Zygote
Everyone starts as a fertilized egg, zygote.
Zygote divides into a ball of cells called …
A blastocyst
Blastocyst develop into an________, then ________.
Embryo, fetus
Multicellular organisms have ______
That have undergone _______(the cells are not all identical)
Specialized cells, differentiation
Same DNA….
Different jobs
The first cell, zygote, is ________
Totipotent
Totipotent
Can become ANY cell type
I
Pluripotent
Almost all cell types
ESC
In the blastocyst has an inner cell mass that is ….
Pluripotent