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1. Compute the mean energy per nuclear disintegration, A, for 99mTC if 2.0 x 109 Bq of this isotope is injected into a patient. Assume that one-half of the administered dose is taken up by the thyroid and that the removal kinetics follow first-order exponential form with a biological half-life of 4 h. What is the dose to the thyroid? Assume for purposes of this problem that the specific absorbed fraction is 0.5 and the thyroid weighs 80 g. Express the dose in gray.
Q. Why is it dangerous to talk while eating? If a person talks when eating, food may be inhaled into the lungs. Generally after food is swallowed, it passes into pharynx and th
1. In cattle, the polled condition (H) is dominant to the horned condition (h). A cross between an individual with red coat (R) and white coat (W) results in roan (RW). A polled, r
A few simple tips which should be given to the patient. • Boiling, steaming, baking, pressure cooking should be encouraged • Consume small and light meals frequently instea
B A TELNU T - Kernel of the betalnut palm, areca catechu, enclosed in betal leaves and mixed with an aromatic paste is chewed extensively in India & Africa. It contains arec
What is the main moral problem about the cloning of human individuals? As well biological perils, a very serious moral problem involves the nucleus transplantation technology c
ORGANIC COMPOUNDS - They are substances having both carbon and hydrogen which are commonly biological in origin. Organic compounds can be micromolecules or macromolecules
A) Maintain structural integrity of the cell B) Regulate the movement of substances into and out of the cell C) Provide communication between the cells D) ALl of the above
Sally Subcloner wants to clone a fragment into pUC19 (Map above - From New England Biolabs). Her fragment was a protein coding gene of 2.7 kb, and had Xho I sites on either end (a
Describe the Applications of vitamin b1 The steadily increasing consumption of white flours (insufficiently ground and thus low in vitamin content) by large sections of the po
what are the branches of botany?
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