Mobile Introns & Inteins Flashcards
1
Q
Mobile elements are highly abundant. T/F?
A
True
2
Q
What are mobile introns?
A
intervening sequences that are capable of self-splicing and transposition
3
Q
What are inteins?
A
proteins that carry out protein splicing and capable of gene transposition
4
Q
Group I introns may contain an _
A
homing endonuclease
5
Q
Define homing
A
the lateral transfer of an interveingn sequence to an intron-lacking version of the gene
6
Q
What is ectopic transposition?
A
movement of an intron to a new genomic site by reverse splicing
7
Q
Group II introns may contain an _
A
Intron-Encoded Protein
8
Q
IEPs contain a _ domain
A
reverse transcriptase
endonuclease
maturase
9
Q
the IEP functions as a _-complex
A
RNP
10
Q
Inteins have internal _
A
homing endonucleases