Which of the following statements correctly explains why vascular cambium cells can differentiate into phloem sieve tube elements?
Vascular cambium cells are living and unspecialised.
Vascular cambium cells are living and specialised.
Sieve tube elements are living and specialised.
Sieve tube elements are dead and unspecialised.
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.