Which statement describes embryonic stem cells?
They are found only in the bone marrow of adult animals.
They can differentiate into only a few types of cell.
They can differentiate into almost any type of cell.
They have already differentiated into one type of cell.
194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.