Practice Question

1.Define the term specialised cell

A specialised cell is one that is adapted to carry out a particular function. 

2. State the name of the process that cells undergo in order to form a specialised cell

Differentiation

3. Explain how a sperm cell is adapted to carry out its function.

1. Acrosome within the head which contains digestive enzymes to break down the outer layers of the egg cell.

2.Nucleus within the head will contain the haploid (half) number of chromsomes. When the sperm fuses with the egg, the diploid (normal) number of chromosomes will be restored.

3. Mitochondria in the middle section carry out aerobic respiration to release energy so that the tail can propel the sperm forward.

4. Tail (flagellum) will move side to side to propel the sperm forward.