Embryonic stem cells found in the inner cell mass of a blastocyst can differentiate into any of the cell types of the three embryonic germ layers, but cannot differentiate into extra-embryonic tissues such as the placenta.
Which of the following statements correctly describes these embryonic stem cells?
They are totipotent but not pluripotent.
They are pluripotent but not totipotent.
They are multipotent but not pluripotent.
They are both totipotent and pluripotent.
40 exam-style questions on OCR A A Level Biology Cell division, cell diversity and cellular organisation. Each one has a worked solution and a mark scheme showing where the marks go.