The phase of the cell cycle that interphase

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The phase of the cell cycle that
occupies most of a cells life
interphase
What occurs after cytokinesis is
completed?
• G1
What is correct sequence of cell cycle
• G1, s, g2, mitosis, cytokinesis
Cells that are not dividing remain in
the
• g1
What occurs in s phase
• Dna replication
The first 3 phases of the cell cycle are
known as
• interphase
Mitosis is the process by which
• Nucleus divides
Mitosis forms cells that are
• Diploid
• identical
Normal cells become cancer cells
when
• Cells do not respond to checkpoints
How many chromosomes are in the
body cells of an organism that has a
haploid number of 10
• 20
Somatic cells are
• Body cells
• diploid
Gametes are
• Sex cells
• haploid
Crossing over occurs during
• Meiosis
• Prophase 1
What provides new genetic
combinations?
• Random fertilization
• Random alignment
• Crossing over
DNA is in the form of _____ when the
cell is not dividing
• chromatin
Harmful cancer
• malignant
Checkpoints are checking for:
• Is cell big enough
• Are spindle fibers attached to chromosomes
correctly
• Is DNA copied correctly
Harmless cancers
• benign
During what phase does the cell
prepare for division
• G2
The failure of the chromosomes to
separate during division is called:
• Nondisjunction
Signs of Cancer?
• Caution
• ABCD
What phase of mitosis do
chromosomes become visible
• prophase
What is the correct sequence of events
in Mitosis
• PMAT
How many pairs of chromosomes are
present in body cells?
• 23
Differentiate between mitosis and
meiosis
•
•
•
•
•
Crossing over
Two divisions
Haploid
4 cells
Produces gametes (sperm/egg)
Growth of new blood vessels to
support tumors is called _________.
• angiogenesis
What is trisomy 21?
• Down Syndrome
What is monosomy X?
• Turners Syndrome
What is XXY
• Klinefelter syndrome
What two cells are found in the
testicles?
• Leydig
• Sertoli
Identify the 3 glands that associate
with the male reproductive system?
• Bulbourethral (Cowpers)
• Seminal vesicle
• Prostate
What is the pathway that sperm travel
through the male reproductive tract?
•
•
•
•
Semineferous tubules
Epididymis
Vas deferens
urethra
Identify the 3 type of spongy tissue in
the penis.
• Corporus cavernosus
• Corporus spongiosum
• Spongy urethra
3 layers of uterus
• Mucousa
• Muscularis
• serosa
Function of?
•
•
•
•
Vagina
Ovary
Fallopian tube
uterus
Sperm leave the body at ___ feet per
second.
• 200
Name of the head of the sperm?
• acrosome
Outer portion of ovary
• cortex
Leading cause of death from cancer in
men
• prostate
Which hormone acts on
spermatogenesi?
• FSH – follicle stimulating hormone
Identify 2 muscle associated with testis
and scrotum
• Dartos
• cremaster
Which cells in the testicles supports
sperm development and secretes FSH
• sertoli
Which analogous structure?
•
•
•
•
Vagina
Labia minora
Clitoris
Ovaries
penis
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