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biology 0610printed 282 · PDF 282
328 pagesrevision 46933
printed 282 · PDF 282
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Aitchison College Academic Resources.
4 Fig. 1.1 shows the change in the biomass of the fungus Penicillium when grown in a fermenter to
produce the antibiotic penicillin.
5.0
45 oe
4.0
3.5
3.0
biomass/g per kg 2
growth medium 5
2.0
1.5
1.07
0.54
ON 20 40 60 80 100 120 140 160 180
time/hours
Fig. 1.1
(a) Name the stages in the growth of Penicillium indicated by V, W and X.
Vi occcscsceesssssnssssvevssensessssucssessnsusssavssscneessesssvssbarssnensssansteesanesnansssasssasneseasusisiuseeueneneseuseeseneeenesaesenes
WU SEE TE aa UC a
ME puicsec cess a anaes csrecaceste aie Bibs esac ect OTR ail Ne Basse eases cba ph ce acaa tes oped (3]
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