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BIO CHAPTER 9
yuck
21
Biology
Undergraduate 1
03/05/2009

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Term
the distrubution of replicated DNA to new cells is called:
Definition
segregation
Term
the separation of two cells is called:
Definition
cytokinesis
Term
cells divide by:
Definition
binary fission
Term
most prokaryotes have ___ chromosome
Definition
one
Term
the two regions of the prokaryotic chromosome play a functional role in cell reproction:
Definition
1) ori, 2) ter
Term
the site where replication of the circle starts in prokaryotes
Definition
ori
Term
the site where replication ends in prokariouts
Definition
ter
Term
sperm and egg are the two:
Definition
gametes
Term
this is the stage that the cell spends most of its time in
Definition
interphase
Term
interphase has three subunits:
Definition
G1, S and G2
Term
DNA replicates during __ phase in mitosis
Definition
S phase
Term
mitosis and cytokinesis are refereed to as the ___ phase
Definition
M phase
Term
which protein activates transitions in interpahse?
Definition
cyclin-dependant kinase (CDK)
Term
the thing that is the middle of the chromosome
Definition
centromere
Term
the little things at the top and bottom of the cell that everything graduates to
Definition
centrosome
Term
the appereance of the nucleus changes as the cell enters:
Definition
prophase
Term
during prophase, what happens?
Definition
everything gets polar and orients to the end
Term
everything comes to the middle in this phase
Definition
metaphase
Term
chromosomes split in this phase
Definition
anaphase
Term
the cell splits in this stage
Definition
telophase
Term
the 4 chromatids of each pair of homologous chromosomes form waht is called a:
Definition
tetrad
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