All of the Following Cell Types are Correctly Matched with Their

Question

All of the following cell types are correctly matched with their functions except
A) mesophyll-photosynthesis.
B) guard cell-regulation of transpiration.
C) sieve-tube member-translocation.
D) vessel element-water transport.
E) companion cell-formation of secondary xylem and phloem.

Accepted Answer

Companion cells are not involved in the formation of secondary xylem and phloem. They instead support the metabolic function of sieve-tube members during phloem transport.