Pepsin, is a digestive enzyme that degrades proteins in the stomach, is synthesized as pepsinogen and is then converted to active site pepsin in the stomach by the removal of several amino acids. The activation of pepsin is an example...
If a protein is going to be secreted, where will protein synthesis be completed? Why are people on high protein diets (such as the Adkins diet) instructed to drink lots of water? Explain why the symptoms resulting from a partial deficiency of an enzyme in the urea ...
The acidification of lysosomes is an important step in their maturation process because many lysosomal enzyme precursors can only be properly cleaved into their mature form at acidic pH, and most lysosomal hydrolases are active only at acidic pH. In addition, the acidity also denatures proteins to...
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Describe the process of gel electrophoresis. What determines how far each piece of DNA will travel through the gel? What is DNA ligase? What does it do? (a) What is RNA polymerase? (b) What is its function? DNA will move through an agarose gel when a voltage is applied because...