In a chlorina mutant (ch 3) of Arabidopsis thaliana the total chlorophyll content was reduced to about 1/10 the amount of the green wild-type. At the same time the ratio of chlorophyll a/b was markedly increased. The electron microscopic analysis of the chloroplasts showed a considerable reduction
The spatiotemporal regulation of Ca2+ channels at the plasma membrane in response to extracellular signals is critical for development, stress response and reproduction, but is poorly understood. During flowering-plant reproduction, pollen tubes grow directionally to the ovule, which is
اكتب أحد الأعراض أو المرض واقرأ عن الأعشاب التي قد تساعد ، واكتب عشبًا واطلع على الأمراض والأعراض التي تستخدم ضدها. * تستند جميع المعلومات إلى البحوث العلمية المنشورة