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Explain about the Intestinal calcium absorption?
Intestinal calcium absorption is mainly controlled by the serum concentration of 1, 25- (OH)2D as discussed above. The activity of the 1-α-hydroxylase, which catalyzes 1, 25-(OH)2D production from 25-hydroxyvitanlin D (25-OH-D) in the kidneys, is negatively related to plasma calcium and phosphate concentrations and positively related to plasma parathyroid hormone concentrations. Thus, the inverse relationship between calcium intake and fractional absorption described above is enhanced by the inverse relationship between dietary calcium and serum 1, 25-(OH)2D. We will learn about this aspect later in this section under the heading regulation of Ca concentration.
Explain Procedure for Spore Staining in a Given Bacterial Culture Carry out the exercise following the steps enumerated herewith 1. Take a clean, non-greasy slide. Prepare b
What is the mechanism described by Darwin that eliminates species less adapted to environmental conditions? The mentioned mechanism is the natural selection.
What causes acid precipitation? Acid precipitation is the result of air pollutants that combine with water vapor in the atmosphereto form acids, causing precipitation that is m
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first of all bonds of fructose was breaked by fehling solution then fructose coverted to aldehydic group then that is react with fehlings solution.
EXCRETIO N IN COCKROACH- Animal is uricotelic. Excretory organs are malphighian tubules. 60-150 in 6-8 groups. In each group 10-15. Yellow coloured, blind tube, open in gut
Give the introduction of genesis of coronary artery diseases and risk factors? Cardio-vascular diseases have their roots in the structure and functional alterations in the vasc
Describe tranposition of great arteries with intact ventricular septum? Transposition of great arteries with intact ventricular septum (or small VSD): There is usually inadequa
Question 1: (a) List some differences between a bacteria and a virus? (b) Define‘Swine Flu'. List the main types of ‘Swine Flu' viruses? (c) Describe the preventive measures
PLACEN T A - Placenta is the intimate connection between the foehls and the uterine wall of the mother to exchange the materials. Placenta is a tempormy endocrine gland
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