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20 Cards in this Set

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Interphase
u can not see chromosomes but they are duplicating themselves
prophase
chromosomes become visible
metaphase
the double stranded chromosomes lineup
anaphase
each centremere divides
telephase
centrioles and spindle fibers start to disappear nuclear membrane froms around each mass of chromosomes and nucleous appears
How many pairs of chromosomes you have in your body
46
How many chromosomes do you get from each parent
23
What is DNA
Deoxyribonucleic acid
Who is Rosalind Franklin
discovered that the Dna molecules was a strand of molecules in a spiral form
two important facts about mitosis
mitosis is the division of a nucleus and mitosis produces two new nuclei that have the same numberof chromosomes as the orginal nucleus
T
A
C
G
T
Thumine
G
Guanine
C
Cytosine
A
Adenine
Step 1 (DNA)
before it begins copying
Step 2 (DNA)
An enzyme breaks the bonds between the nirogen bases. The Two strands of DNA separate
Step 3 (DNA)
The bases attached to each stand then they pair up with new bases from a supply found in the cytoplasm
Step 4 (DNA)
Sugar and phosphate groups form the side of each new DNA Strand