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Q. Do enzymes act better under basic or acid pH?
Most enzymes act in pH between 6 and 8, a range that corresponds to the general acidic level of blood and cells. There are enzymes, however, that act only under very basic or very acid pH. So enzyme activity depends on pH interval.
In the stomach, for example, the gastric juice has a very low pH, around 2, and there the enzyme pepsin acts to intensively absorb proteins. In the duodenum, pancreatic secretions increase the pH of the enteric juice for the action of other digestive enzymes, for example, trypsin.
Photoreceptor - Phototropism The molecular nature of the photoreceptor is unsolved. Initially in the 1930s, some form of carotenoid was thought to be the phototropic receptor.
a) Name three parts of the body where smooth (involuntary or unstriated) muscle may be found. b) In any one of your examples, say what the smooth muscle does.
Q. Define Diabetic Ketoacidosis? Diabetic Ketoacidosis (DKA) is one of the acute complications of diabetes mellitus. The name itself implies that there is acidosis (decrease in
Placement of implant with improper axial angulation Surgical placement of the implant improperly can lead to a prosthetic rehabilitation that compromises esthetics and the dist
A wild-type strain of haploid yeast is crossed to a mutant haploid strain to make a diploid. What phenotypic ratios will be observed in the haploid progeny of the diploid?
1. The transcription and replication of DNA requires a multitude of protein complexes a. Describe the events that occur during the initiation of transcription of eukaryotic prot
There may also be non-use existence values for components of biological diversity due to the value placed on biodiversity purely based on its continued existence, irrespective of w
State in brief about the soil horizon A soil horizon may be defined as "a horizontal layer of regolith, approximately parallel to the soil surface, and possessing relatively
Define the terms umbra and penumbra, and describe how they relate to solar eclipses.
Braiding technique for SP removal: - Three small size files inserted alongside the silver point. - Files twisted together to engage silver point - Withdraw the f
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