Which of the following is not true about embryonic stem cells?
They are pluripotent.
They can be sourced from the inner cell mass of a blastocyst.
They are totipotent and can form extraembryonic tissues.
They are capable of dividing indefinitely in culture under appropriate conditions.
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.