in Anatomy of Flowering Plants by

1 Answer

0 votes

The gymnosperms lack the companion cells. Certain parenchymatous cells are found associated with the sieve cells which are known as albuminous cells. Albuminous cells die when sieve cells become functionless.

Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.