Chromosomes
All cells in your body are genetically identical apart from the
gametes
What is the intermediate phase of interphase?
S phase
What are the ends of chromosomes?
Telomeres
What is a cell that can divide an unlimited number of times (by mitosis)
Stem Cell
What is a result of uncontrolled mitosis?
Cancer
How many chromosomes are in human cells
46
When are kinetochores constructed?
S Phase
The loss of vital genes is prevented by adding more...
Bases
What is the extent of the power of a stem cell to produce different cell types
Potency
What are changes in a gene that cause cancer called?
Mutation
Why can histones interact with DNA?
They are basic
What organelle is needed for the separation of chromatids during mitosis?
What enzyme adds more bases?
Telomerase
What are stem cells that can produce any type of cell?
Totipotent
What is an agent that causes cancer called?
Carcinogen
Which form of chromatin is loosely coiled?
Eurochromatin
Where are centrosomes located?
The poles of the spindle
What will shorter telomeres lead to?
What is the introduction of new adult stem cells into damaged tissue to treat disease or injury?
Stem cell therapy
What is a tumour that spreads through the body, invades other tissues, and destroys them?
Malignant
What is the total length of DNA in the 46 chromosomes of an adult human cell?
1.8 meters
What is the division of the cytoplasm and cell into two by constriction from the edges of the cell?
Cytokinesis
What is the extra DNA that isn't replicated called?
Telomere
What is it called when a cell becomes more committed to a particular role?
Specialization
What is the spread of cancer through secondary growths?
Metastasis