Inglise keel unit 5 answers
use of a colorimeter in correct context ;
A filtering and weighing precipitate
OR
use of Clinistix / Diastix (strips) ;
different colours obtained ;
colour compared to chart ;
accept other valid methods e.g. reference to use of biosensors 2 max
(iii) agree
not all yeast cells successfully entrapped / AW ;
(in product) yeast cells, respiring / metabolising / using sugar as an
energy source ;
(so) lower levels of sugar (in product) ;
not agree
yeast cells, entrapped (in beads) / immobilised, so product not contaminated
/ yeast not present to affect product ;
yeast cells unable to pass through, glass wool / filter ;
only very low numbers of yeast cells (so unlikely to have great effect) ; 2 max
annaabi.ee 
