Identify 3 functions of cell
division.
Heal wounds
Replace damaged cells
Growth
Reproduction
Uncondensed DNA is known as
______ and is seen when the
cell (is/is not) dividing.
• Chromatin
• Is not
Before cell division each chromosome is
copied and the copy is called a sister
________________
The sister chromatid is connected to the
original DNA by a _________________
• Chromatid
• centromere
In DNA, Adenine always pairs
with ______, and cytosine
always pairs with _____.
• Thymine
• guanine
DNA molecule is held together
in the middle by _____ bonds
• Hydrogen
Identify the 3 steps of the cell
cycle
Interphase
Mitosis
cytokinesis
Identify the 3 stages of
interphase
Identify the 4 phases of mitosis.
•
•
•
•
•
PMAT
Prophase
Metaphase
Anaphase
telophase
Diversity among offspring can be created
through ____________, ______________,
and _______________.
• Crossing over
• Independent assortment
• Random fertilization
The members of a pair of
chromosomes are called ____ ____.
Differentiate between protooncogenes and oncogenes
• Proto-oncogenes stimulate cell division
• Oncogenes overstimulate cell division
Mitosis or meiosis
• The cell spends most of its life in
___________ of the cell cycle.
• interphase
Human gametes contain ___
chromosomes.
• 22 autosomes
• 1 sex chromosome
Analysis of the chromosomes,
as in a karyotype, can reveal
what information?
• Gender
• Chromosome number
What must occur before cell
division begins?
The process by which a tumor
attracts and redirects blood
vessels to keep it supplied with
oxygen and nutrients?
The process where cancer cells
break off and spread?