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Cyanobacteria carry out photosynthesis using two photosystems as in green plants. Furthermore, other photosynthetic bacteria, like as the purple photosynthetic bacterium Rhodospirillum rubrum which have only a one photosystem reaction center. This can hold out cyclic electron transport, producing a proton gradient and thus synthesizing ATP (cyclic photophosphorylation). In other words, a noncyclic pattern of electron transport can be carried out in that the electrons from the cytochromes pass to NAD+ (rather than NADP as in green plants) to create NADH. The electron donor is, for instance, hydrogen sulfide (H2S) that produces sulfur (S). The Hydrogen gas (H2) and a various of organic compounds can also be used as electron donors by particular photosynthetic bacteria. Because H2O is not used as electron donor, no oxygen is formed.
How can Prevent the Symptoms Associated With Food Intolerance? Taking a few simple steps can help prevent the symptoms associated with food intolerance. These steps include:
Design a controlled experiment to test the hypothesis that acid precipitate inhibits the growth of elodea, a common freshwater plant.
The effect of light on the growth of stems (a) Plant some seeds that grow rapidly like as oats, radish, bean or mustard seeds in two flower pots. When the seedlings are about
a) Describe the electron transport system. Where does it happen in a mitochondrion and what is the role of oxygen in it ? b) Explain the events that happen in the human heart du
Explain the difference between numerical chromosome abnormalities and single gene disorders. Describe methods of diagnosing chromosome abnormalities prenatally and after birth. How
Flagellated Protozoan These are protozoan that move by means of one or more flagella and include the largest number of species, about 6,800. Asexual reproduction is by
Gibberellins - Plant Growth Substances In late 1920's Kurosawa observed that the medium in which the fungus Gibberella had grown could cause the abnormal tallness in rice seed
Concerning events during the periods of life how dissimilar is the gametogenesis in women and in men? The formation of spermatogonia in men takes place during the embryonic per
T AXONOMIC EVIDENCES - Taxonomy is the classification of organism. The gradual development in the complexity of organisms with specialized characters from simpler organisms
Classify phylum mollusca?
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