IGCSE 0610 20 Biotechnology and genetic engineering

State the name of enzyme X

Which of these is an advantage of producing human insulin using human genes inserted into bacteria

• The insulin could be from different species

• Large amounts of insulin are produced quickly

• Depends on donations from other humans

• Irregular supply

A factory uses biotechnology to process apples.

Some of the apple juice is mixed with yeast and used to produce ethanol.

State the type of respiration in yeast that produces ethanol.

A factory uses biotechnology to process apples.

Some of the apple juice is mixed with yeast and used to produce ethanol.

State the name of the substance in apple juice that is converted to ethanol by yeast.