16- inherited change Flashcards
gene control in eukaryotes
1
Q
A
2
Q
regulatory gene
A
encode proteins regulating EXPRESSIOn of structural genes
3
Q
promoter region
A
site where RNA polymerase binds to initiate transcription
4
Q
operator region
A
sequence where regulatory proteins(repressor) bind
5
Q
structural genes
A
genes coding for proteins(enzymes) [lacz,lacy,laca]
6
Q
lacZ codes for
A
β-galactosidase
7
Q
lacY codes for
A
lactose permease
8
Q
lacZ codes for
A
transacetylase
9
Q
inducible enzyme
A
only produced when substrate available
10
Q
repressible enzyme
A
normally produced continuously but their production can be inhibited when not required
11
Q
transcription factors
A
proteins that bind to DNA sequences to initiate transcription of genes into mRNA
12
Q
A
