lecture one Flashcards
(26 cards)
in reotrovirus ife cycle, which is the complete form? which forms have LTR?
linear form, linear and provirus
name functions for gag, env, and pol
internal packaging, outer packaging, enzymes and proteins
what is structure of LTR?
U3-R-U5
how many bp repeat of target DNA
4-6
what does tRNA primer for?
synthesis of minus strand
which jump is this? : ss DNA R region pair with 3’ terminus to another retroviral RNA?
first
in minus strand synthesis which end is degraded?
5”
tRNA primes first strand synthesis by __________
RT
which jump: positive DNA jumps to other end of negative?
second
during intgration which end is recessed?
3”
in integrase which is conserved in these terminal IRs. cut made on other side?
CA
where is promoter found?
U3
V-onc proteins are initially expressed as _______ proteins
gag fusion proteins
helper virus suppled what
missing functions
replication-defective viruses are generated by what
deletion in the proviurs
packaged with wt virus RNA and recombination occurs to what?
restore LTR
explain two parts of TY and how get it
A-gag related
B-pol related
frameshift
what has ds DNA?
TY
examples of LTR retrotransposons, what do they encode
TY and Copia,RT and integreas
LINES derived from what
RNA pol2
what encodes revers transcriptase, nucleic acid binding protein, and endonuclease?
non-ltr retro
sines derived from what
RNA pol 3
LTR retro has RNA pol ____ promoter
2
what are cis acting? propagation of what
lines, functional elements