Inglise keel unit 5 answers
detail of sites;
may give sticky ends;
complementary sticky ends join;
terminal transferase / enzyme, adds sticky ends;
ligase joins, gaps / nicks; max 3
[5]
162. (i) fewer genetically engineered mosquitoes pass parasites across midgut
; A figures
fewer g e mosquitoes have parasites in salivary glands; A figures
fewer g e mosquitoes can infect (uninfected) mice; A figures
‘less good as vectors’ instead of all of first three points = 1 only
use of comparative figures; max 3
(ii) benefit one of following;
reduce use of, insecticide / drug
safer than, insecticide / drug
AVP max 1
hazard one of following;