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:In the transverse of a dicot sperm, the region lying…Which generation of computers used vaccum tubes in…The sulphide that is commonly used in coating…Flourescent tubes produces light by the?Animal cells are different from plant cells because…