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How can the blood coagulation (clotting) process be described?
Blood clotting encompasses a sequence of chemical reactions whose respective products are enzymes that catalyze the following reactions (that is why the clotting reactions are known as cascade reactions). In the plasma thromboplastinogen transforms into thromboplastin, a reaction triggered by tissue and platelet factors liberated after injury of the blood vessel. Thromboplastin then catalyzes along with calcium ions the transformation of prothrombin into thrombin.
Thrombin then catalyzes a reaction that makes fibrin from fibrinogen. Fibrin, as an insoluble substance, precipitates to produce a network that traps red blood cells and platelets forming the blood clot and having the hemorrhage.
What are gametes? Gametes are cells specialized in sexual reproduction. They have half of the maximum number of chromosomes of the species and unite with another gamete giving
Considering a pair of homologous chromosomes containing a gene having two different alleles how many different genotypes can the individual present? If a gene of a diploid spec
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digram or mammalian testis
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write about asexual reproduction in mucor?
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