Describe how a sperm cell is adapted to its role (4 marks)
The role of a sperm cell is to fertilise an egg. The head contains the nucleus, which holds the male genetic material. It has a tail for swimming to the egg. It is packed with mitochondria to supply the energy for movement.
AW
Related Biology GCSE answers
All answers ▸What is natural selection?
Muscle cells from the stomach have a characteristic tear-drop shape with a grainy cytoplasm containing mitochondria and a nucleus. Describe the function of these cells in the wall of the stomach
What is the best technique for drawing diagrams in an exam?
Describe how the body maintains homeostasis when there is a drop in body temperature.