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Do enzymes act better under acid or basic pH?
Most enzymes act in pH among 6 and 8, a range that corresponds to the general acidic level of cells and blood. There are enzymes, though, that act only under very acid or very basic pH. So enzyme activity depends on pH interval.
In the stomach, for instance, the gastric juice has a very low pH, around 2, and there the enzyme pepsin acts to intensively digest proteins. In the duodenum, pancreatic secretions enhance the pH of the enteric juice for the action of other digestive enzymes, for example, trypsin.
Cleavage - Metazoa The unicellular zygote begins cell division (cleavage). First, the single cell divides forming two cells, these redivide further to form four, then eight ce
Discuss how the blood sugar level is maintained at a stable level in the well fed and fasting state In the fed state, clearance of blood glucose is mainly by liver via gluc
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Embryos Prom Synergids The synergids, which usually degenerate prior to or soon after double fertilization, are reported to give rise to embryos in Argentine mexicana, Tamari
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Liverworts and mosses are characterized by their lack of vascular conducting tissue. These two groups of liverwort, plants and mosses, are known by which of the below terms: a)
#life history
Q. Energy requirements to get ideal body weight? Calories: The energy requirements of adult patients is governed by their present body weight and the need to maintain a desira
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