The process by which a cell divides into two new daughter cells is called
cell division
Cells go through a series of events known as the
cell cycle
A mass of cells is called what?
Tumor
After about 4 days of development, a human embryo forms into what?
blastocyst
Mitosis
The production of identical offspring from a single parent is called
asexual reproduction
The fourth and final phase of mitosis is
telophase
What are the 2 types of proteins that regulate the cell cycle?
Internal and external regulators
Embryonic stem cell research is controversial because?
It is an ethical issue of life and death
The four phases of mitosis is (in order)
Prophase, Metaphase, Anaphase and Telophase
The rate at which materials enter and leave the cell depends on the cell's what?
Sister chromatids are attached to each other at an area called the
centromere
The timing in the cell cycle in eukaryotic cells is believed to be controlled by a group of closely related proteins known as what?
Cyclins
adult stem cells
An adult organism is gradually formed from a what?
An embryo
In order for a cell to divide successfully, the cell must first do what?
duplicate its genetic information/DNA
If a cell has 12 chromosomes, how many chromosomes will each of its daughter cells have after mitosis and cytokinesis?
12
Programmed cell death is called?
Apoptosis
The unspecialized cells from which differentiated cells develop is known as what?
Stem Cells
The process by which cells become specialized is known as?
differentiation
The process that increases genetic diversity within a population is
sexual reproduction
In plant cells, what forms midway between the divided nuclei during cytokinesis?
cell plate
A cell enters anaphase before all of its chromosomes have attached to the spindle. This may indicate that the cell is not responding to what?
Internal Regulators
Which type of cell has the potential to develop into any type of cell?
totipotent
All cancers have one thing in common, what is it?
The control over the cell cycle has broken down