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Biology ch. 7-8 review yo
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the chromosomes coil around proteins
histones
each individual Dna-histone spool
nucleosome
where two sister chromatids are connected
centromere
a copy of a cell; two double-stranded DNA molecules that are attached to each other
sister chromatids
nuclear division mechanism that occurs in stomatic cells of multicelled eukaryotes
mitosis
stomatic cells
body cells
nuclear division mechanism that precedes the formation of gametes or spores
meisios
What are human gametes?
sperm and egg cells
How do prokarotes reproduce?
prokaryotic division
What cells have to inherit parental DNA and enough cytoplasm to start living on their own?
daughter cells
a series of events from one cell divison to the next
cell cycle
the sum of all chromosomes in a cell of a given type
chromosome number
how often do red blood cells divide?
every 12 hours
In what stage of interphase are neurons arrested
G1
stage of interphase: intervall of cell growth and activity before the onset of DNA replication
G1
stage of interphase:
"synthesis"- DNA is replicated and sister chromatids are made
S
Stage if interphase:
Cell prepares for division by synthesizing proteins that drive mitosis
G2
the complete compliment of chromosomes
diploid (2n)
What is the human diploid number?
46 (23 per parent)
The carbon from CO
2
is ultimately fixed into what stable molecule?
PGA
Where does the dark reaction occur?
stroma
What kind of plants fix their carbon into PGA
C3
What kind of plants fix their carbon into oxaloacetate?
C4
What kind of plants have their carbon fixed twice and their reactions are seperated spacially
C4
What kind of plants have their carbon fixed twice and their reactions are seperated temporally
CAM
What kind of plants do very well in arid environments?
CAM
How many PGAL molecules are creates every time carbon fixation occurs?
1
Author
letsgetsuedplease@yahoo.com
ID
52099
Card Set
Biology ch. 7-8 review yo
Description
Biology ch. 7-8 review yo plus drk reaction
Updated
2010-11-29T03:09:35Z
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