The head of a sperm cell contains enzymes.
What is the function of these enzymes?
To copy the DNA in the nucleus
To digest the outer layers of the egg cell
To join the sperm cell to the egg cell membrane
To release energy for the tail to move
139 exam-style questions on AQA GCSE Biology 1.1 Cell structure, covering 1.1.1 Eukaryotes and prokaryotes, 1.1.2 Animal and plant cells, 1.1.3 Cell specialisation, 1.1.4 Cell differentiation, 1.1.5 Microscopy, and 1.1.6 Culturing microorganisms. Each one has a worked solution and a mark scheme showing where the marks go.