In vascular plants, the sieve tubes and companion cells are present in the? by Sunday | Sep 6 | Biology JAMB | 0 comments A. cambium B. cortex C. xylem D. phloem Correct Answer: Option D – phloem Users Also Read These:Which of the following structures is not present in…The sulphide that is commonly used in coating…A necessary companion of the Rule of Law is?Which generation of computers used vaccum tubes in…Animal cells are different from plant cells because…