Question 4(b)(iii)
[Maximum number: 1]
The diagram shows a yeast cell.

Biofuel is made from ethanol.
Scientists use genetically modified (GM) yeast to produce biofuel.
The GM yeast contains an enzyme that digests plant cell walls to produce glucose.
The yeast uses the glucose in respiration to produce ethanol.
The GM yeast is a recombinant strain.
State what is meant by the term recombinant.