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LIFE 102 - Exam 4
Colorado State; Bjostad; LIFE 102; Exam 4
21
Biology
Undergraduate 1
12/11/2012

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Term
capsid
Definition
protein cell encloses viral genome
Term
viral envelopes
Definition
membranous envelopes that surround viruses; mixed molecules of host and virus
Term
bacteriophage
Definition
viruses that infect bacteria
Term
host range
Definition
max number of host cells that can be infected by virus
Term
lytic cycle vs lysogenic cycle
Definition
(lytic) virus reproductive cycle that kills host; (lyso) reproduces without killing host
Term
prophage vs provirus
Definition
(phage)viral DNA integrated into a host cell's DNA, not permanent
(virus) viral DNA integrated into a host cell DNA; permanent
Term
viroids
Definition
circular dna; infect plants and disrupt growth
Term
bottleneck effect vs. founder effect
Definition
bottleneck - environment causes population decrease
founder - population becomes isolated from group
Term
hardy-weinberg equation
Definition
p2 + 2pq + q2 = 1
Term
transposons
Definition
elements that MOVE to other sites within a genome by DNA
Term
convergent evolution
Definition
groups that develop similar features
Term
homeotic genes
Definition
highly ordered genes; conservative
Term
lysozome
Definition
an enzyme that protects animals from bacterial infections
Term
homeobox
Definition
a heading that lets you know what a gene controls
Term
retrotransposons
Definition
use RNA to move to other sites in a genome
Term
northern blotting vs. southern blotting
Definition
southern - use DNA gel electro w/ hybridization
northern - use mRNA gel electro w/ hydridization
Term
yeast artificial chromosomes
Definition
a vector helps avoid gene expression problems
Term
promoter
Definition
where RNA polymerase attaches
Term
DNA ligase
Definition
enzyme seals bonds between restriction fragments
Term
cloning vector
Definition
original plasmid used in cloning
Term
cDNA
Definition
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