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Q. What is the molecule that donates hydrogen for photosynthesis, in sulfur photosynthetic bacteria?
In sulfur photosynthetic bacteria the substance that donates hydrogen is hydrogen sulfide (H2S) not water. Therefore there is no liberation of molecular oxygen but there is production of molecular sulfur (S2) Oxygen and sulfur has same number of valence electrons.
If a solution has a pH of 7.5, what would its new pH be if the concentration of H 3 O ions in the solution were increased by 100 times? Explain your reasoning. As a tenfold inc
Haemolysis : Mechanical valves, bioprosthetic valves as well as valves repaired with annuloplasty rings may cause haemolysis and related anaemia. This is more common when there i
Q. Is fecundation in mammals external or internal? Fecundation in mammals is internal with copulation. In the contemporary world human technology is able to promote artificial
Q. Illustrate Bite-wing radiographs? The short and long-term evaluation of crestal bone loss around implants is best evaluated with intraoral radiographs. Threaded implants mak
Important Causes of Degradation of Ecosystem The important causes that have lead to the degradation of the ecosystem. Deforestation Overgrazing Agriculture
How is extracellular digestion related to cellular and tissue specialization? Several of specialized cells and tissues appeared with extracellular digestion to give enzymes and
The condition in which there is a DECREASE in the number of white blood cells in humans is termed as: a) Leukocytosis (pron: lew-kO-sigh-toe-sis) b) Leukopenia (pron: lew-kO
Stage two using a mucoperiosteal flap A Mid crestal incision over the implant site is made and reflection of mucoperisteal flap is done under local anesthesia. After locating t
Q. What is Catharanthus roseus pharmaceutical compounds? This species yielded the alkaloids vincristine and vinblastine. Traditionally used by various cultures for the treatmen
male reproductive system
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