Search found 2 matches

by sharonho1215
Mon May 29, 2017 10:53 am
Forum: General Discussion
Topic: Does phloem provides support to plant?
Replies: 0
Views: 1947

Does phloem provides support to plant?

Textbooks keep saying only xylem provides support to plants as it has lignified cell wall. But how about phloem? Phloem is also a tube but with nothing to support it I guess it will collapse too. Is there anything supporting phloem and does it contribute to the support to plants? Also, do phloem pro...
by sharonho1215
Fri May 26, 2017 3:30 pm
Forum: Cell Biology
Topic: Does chemiosmosis pump protons or hydronium ions?
Replies: 3
Views: 4912

Re: Does chemiosmosis pump protons or hydronium ions?

I guess most probably protons as hydronium ions are so big I guess it won't be able to do chemiosmosis. Also, I have read a lot of textbooks and they all say it is proton, they never mention about hydronium ions.