Biotechnology (21.2) | Cambridge IGCSE (9–1) Biology 0970 (Extended) (2026–2028) | KnowledgeSet

Biotechnology

Biology · IGCSE · Cambridge · Cambridge IGCSE (9–1) Biology 0970 (Extended) (2026–2028) · Specification point · 21.2 · Biotechnology and genetic modification

Yeast fermentation for bioethanol

Yeast fermentation in bread-making

Pectinase in fruit juice production

Enzymes in biological washing powders

Lactase in lactose-free milk production

Large-scale production in fermenters

Control of fermenter conditions

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Learning Objectives

21.2 Biotechnology

Core	Supplement
$1 Describe the role of anaerobic respiration in yeast during the production of ethanol for biofuels$
$2 Describe the role of anaerobic respiration in yeast during bread-making$
$3 Describe the use of pectinase in fruit juice production$
$4 Investigate and describe the use of biological washing powders that contain enzymes$
	$5 Explain the use of lactase to produce lactose-free milk$