Mitosis
List the 5 stages of mitosis
Interphase, prophase, metaphase, anaphase, telophase
How many chromosomes in a Haploid cell
23
What two parts make up the CNS
Brain and spine
What is a stem cell
A cell that can turn into any other type of cell
The DNA in sperm cells is contained in the _____
Nucleus
How many chromosomes in a Diploid cell
46 (23 pairs)
How many cells does meiosis make
4
What is the gap between two neurones called?
Synapse
Name a pro and con of stem cells
pro: replace faulty cells, not rejected if using your own cells, no embryos die if using adult stem cells
Cons: can be rejected by the body, may produce cancer, have to kill embryos
Where does a child inherit their characteristics from?
Mother and father
What happens during interphase?
Dna and organelles are copied
what 2 cells does meiosis make
Sperm and egg
Describe role of the myelin sheath
Insulates the nerve and speeds up the impulse
Explain what the 95th percentile means
95% smaller, 5% taller
What is the equation for magnification
I AM
What 3 things is mitosis used for
Growth, repair, asexual reproduction
In meiosis, the cells are genetically ______
Different
Name the 3 types of neurones
Sensory, motor and relay
To grow, add 500 points!
WHOA!!
Swap points with a team of your choice
WHOA!
What does uncontrolled mitosis cause
Cancer
Explain why meiosis is important
Describe the route of an impulse through a reflex arc
Stimulus -> receptor -> sensory neurone -> relay neurone -> motor neurone -> effector
Describe what growth is
An increase in number or size of cells
What is Mr Courts first name
Ill never say!