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TOPIC 5
TEST 2
27
Biology
Undergraduate 2
03/05/2012

Additional Biology Flashcards

 


 

Cards

Term
cancer cells make up
Definition
malignant tumors
Term
benign tumors are
Definition
not cancerous
Term
human somatic cells contain
Definition
46 chromosomes
Term
human sex cells contain
Definition
23 chromosomes
Term
role of dna polymerase in dna replication
Definition
helps bind incoming nucleotides to each other
Term
during mitosis, centromere splits during this phase
Definition
anaphase
Term
tumors well develop if
Definition
g1 checkpoint is mutated
Term
protooncogenes
Definition
genes that encode the proteins regulating cell cycle
Term
chemotherapy
Definition
selectively targets all rapidly dividing cells
Term
crossing over occurs (meisis) occurs
Definition
at phrophase 1
Term
stages in meisos
Definition
p1,m1,a1,t1
p2,m2,a2,t2
prophase, metaphase,anaphase, telophase
Term
first checkpoint
Definition
end of g1
Term
second checkpoint
Definition
end of g2
Term
third checkpoint
Definition
metaphase
Term
karotype
Definition
to classify and array chromosomes
Term
phropase
Definition
dna shortens and condenses by coiling
Term

metaphase

 

Definition
spindles attach to centromeres and line up
Term
anaphase
Definition
spindles shorten and centromere splits
Term
telophase
Definition
dna relaxes
Term
phrophase 1
Definition
dna coils tighten and become closely associated in synapsis
Term
metaphase 1
Definition
nuclear membrane disappears and microtubules form a spindle and line up
Term
anaphase 1
Definition
spindle fibers shorten and pull toward poles taking sister chromatids
Term
telophase 1
Definition
nuclear membrane reforms around daughter nuclei
Term
p2
Definition
nuclear envelope breaks down and new spindle is formed
Term
m2
Definition
spindle fibers bind to both sides
Term
a2
Definition
contract and sister chromatids move
Term
t2
Definition
nuclear membrane is reformed
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