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What is 1 + 3?
DNA replication and cell division 3-2-11
building blocks of DNA
nucleotides are made up of what 3 parts???
sugar, phosphate, and base
nitrogin bases are
adenine, thymine, Guanine, and Cytosine
Double helix is held together by.......
first person to come up with the first double helix model
watson and crick
a GOES WITH
G goes with
Process of making a copy of DNA is called
first step in DNA replication is.......
2nd step in DNA replication is.....
breaks hydrogen bonds between bases
3rd step in DNA replication is......
4th step in DAN replication is............
frees nucleotides and attaches to open bases
5th step in DNA replication is............
the 2 double helix is complete
structure within the nuclus containing genetic info. that is passes from 1 generation th the next
phases of the cell cycle are>>>
G1 phase, s phase, G2 phase ,and Mitosis
preparation 4 miosis
A human cell has ____ chromosomes
cells lose the ability to controle growth, no linger respont to signals
THIS cell never dies after matrity
DNA replication takes place
chromosomes are lined up in the cells equator
spindle fibers appear and the nuclear membrane in brocken down
nucleus and nuclear membrane reappear
sister chromatids are pulled apart twards oppesit ends of the cell
DNA is located in......