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In naturally occurring bacterial systems, tetracycline binding repressor protein binds in the _____ of tetracycline to the control sequence and _______ transcription.
Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
Mycobacterium leprae causes leprosy, Corynebacterium diphtheria causes diphtheria and Vibrio comma causes
The B region of diphtheria toxin has the enzymatic activity.
The question below consists of a set of labelled sentences. From the four options given, select the most probable sequence to form a coherent paragraph. A. Foodborne Botulism is due to the preformed toxin in food contaminated with Clostridium botulinum, the human variety caused by types A, B, E B. Botulism is of three types- foodborne, infant and wound botulism. C. The source is usually various preserved foods- meat, fish, etc which exhibit signs of spoilage due to which often the storage cans may be inflated and may display bubbles on opening. D. Clostridium botulinum is non-invasive and its pathogenicity is due to the action of preformed toxin, the manifestations of which are collectively called botulism.
Which of the following constitutes patentable subject matter?
1. A toxin-where such toxin is found on the skin of a previously unknown tree frog of the Amazon basin, which, when administered to patients with a certain cell cancer, causes a substantial reduction in the number of cancerous cells.
2. An idea-where such idea is that there is a mathematical relation among (i) the exposure time of a tumor to a specified alpha-radiation emitting source, (ii) the size of the tumor in cubic centimeters, and (iii) the success rate of the procedure as determined by survival rate at five years
3. Kidney cells-where such cells are found in a certain variety of wild pigs
4. A new laparoscopic surgical technique-where such technique bears improved results in patient cure
Select the correct answer:
A type of food poisoning called botulism is caused by a bacterium due to a toxin produced by it. This toxin is extensively used
The Bt toxin does not kill the Bacillus because the Bt toxin protein exist as inactive ________
Which type of toxin is tetanus toxin?
A 22 year old Megha comes to the doctor because of a missed menstrual period. She has hypothyroidism for which she takes thyroxine; she has an artificial heart valve, for which she takes Coumadin, and she recently started tetracycline for acne. Urine human chorionic gonadotropin (hCG) is positive. Which of the following medication should the patient continue to take during pregnancy?