20 terms

Ch. 5 Cell Growth and Division Quiz Practice

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During this stage of the cell cycle, the nucleus and contents of the cell divide.
mitosis
What does a cell do in the G1 phase?
carries out its normal functions
Cytokinesis
division of the cytoplasm
What must the cell do after G2 before entering mitosis?
pass a checkpoint
Interphase
Cell grows, performs its normal functions, and prepares for division; consists of G1, S, and G2 phases
daughter cells
The cells that are produced as a result of mitosis. These cells are identical to each other, and also to the original parent cell.
Histones
protein molecules around which DNA is tightly coiled in chromatin
The final stage of the cell cycle
cytokinesis
apoptosis
programmed cell death
Carcinogen
A cancer-causing substance
malignant tumor
An abnormal tissue mass that can spread into neighboring tissue and to other parts of the body; a cancerous tumor.
Cancer
disorder in which some of the body's cells lose the ability to control growth
stem cells
unspecialized cells that retain the ability to become a wide variety of specialized cells
cell differentiation in the embryo
depends on their location
adult stem cells
undifferentiated cells found among differentiated cells in a tissue or organ (Accepted by the Catholic Church for research)
embryonic stem cells
An undifferentiated cell, taken from an embryo that has potential to give rise to various other cell or tissue types (Not accepted by the Catholic Church for research)
Centromere
Region of a chromosome where the two sister chromatids attach
G2 checkpoint checks for
correct DNA replication
HeLa cells
famous cancer cells from Henrietta Lacks
Henrietta Lacks
Cancer cells taken without her knowledge, became HeLa cell line.