A growing shoot contains a meristem.
Which statement explains how this tissue contributes to growth?
Its cells divide, and their descendants can become specialised.
Its cells elongate, and their chromosomes become permanently halved.
Its cells differentiate, and their descendants lose all chromosomes.
Its cells divide, and their descendants become genetically different.
42 exam-style questions on Edexcel GCSE Biology 2.1 Cell division and growth, covering 2.1.1 Mitosis and the cell cycle, 2.1.2 Division producing identical daughter cells, 2.1.3 Cancer and uncontrolled cell division, 2.1.4 Growth in animals and plants, 2.1.5 Importance of cell differentiation, and 2.1.6 Percentile charts to monitor growth. Each one has a worked solution and a mark scheme showing where the marks go.