What is characteristic of xylem cells that are mature?
A) They have only primary walls made of cellulose.
B) They have only secondary walls made of lignin.
C) They contain cytoplasm at maturity.
D) They have both primary and secondary walls.
E) All of these answers apply.
Correct Answer:
Verified
Q10: The most direct ancestors of land plants
Q13: Which of these activities is not a
Q14: What two major novelties allowed for the
Q17: Most moss leaves do not have a
Q18: A little mustard plant named Arabidopsis thaliana
Q20: Which of the following have biologists used
Q22: Seed plants are heterosporous.This means that
A)they produce
Q24: The closest relatives of the familiar pine
Q27: Which of these are structures in a
Q29: What is true about the genus Sphagnum?
A)It
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents