منابع مشابه
origins of armenia’s foreign policy and its foreign policy towards iran
foreign policy takes root from complicated matters. however, this issue may be more truth about armenia. although the new government of armenia is less than 20 years, people of this territory are the first ones who officially accepted christianity. in very past times, these people were a part of great emperors like iran, rome, and byzantium.armenia is regarded as a nation with a privileged hist...
15 صفحه اولIsolated Chloroplasts
1. Chloroplasts prepared by the non-aqueous technique will, after fragmentation by ultrasonic treatment, incorporate [2-14C]mevalonic acid into phytoene, the first C40 compound formed in the biosynthetic sequence to coloured carotenoids. 2. With suspensions containing 3*5mg. of chlorophyll, the optimum amounts of cofactor required were ATP (10,umoles), magnesium chloride (20,umoles) and glutath...
متن کاملFerrochelatase of spinach chloroplasts.
Spinach chloroplasts catalyse the incorporation of Fe(2+) into protoporphyrin, mesoporphyrin and deuteroporphyrin to form the corresponding haems. This ferrochelatase activity was detected by pyridine haemochrome formation with acetone-dried powders of chloroplasts, or from the formation of [(59)Fe]haems by intact chloroplasts. Decreasing the mitochondrial contamination of the chloroplasts by d...
متن کاملOrigins and Evaluation of DNA Damage in Infertile Individual
Assisted reproductive techniques (ART) are considered as the first line of treatment in overcoming infertility. The scope of success of these methods depends on several factors including integrity of sperm and oocyte. Obviously, paternal genomic content has an important effect on fertilization potential in infertile couples. Thus, sperm DNA damage is a genomic disorder that exists in different ...
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ژورنال
عنوان ژورنال: Nature
سال: 1986
ISSN: 0028-0836,1476-4687
DOI: 10.1038/320212a0