Search found 2 matches

by teja
Sun Nov 04, 2007 12:24 pm
Forum: Botany Discussion
Topic: I need help please!!
Replies: 1
Views: 3662

well,opening of stomata is due to difference in osmatic concentration.u know[i assume] guard cells r the only epidermal cells that contain chloroplast.during day time,the following events hapen which opens stomatal pore. synthesis of ATP-driving out of H+ IONS out of guardcells-influx ofK+ IONS ALON...
by teja
Sun Oct 21, 2007 1:07 pm
Forum: Evolution
Topic: mammary gland of male in mammals
Replies: 18
Views: 33816

mammary glands in male human beings r said to be vestigial because they r functional in male prototherians{1st class in mammalia} like duck billed platypus and ecidna.they exhibt phenomenon called gyanaecomasticism