Biochemistry PYQs – Set 12
Subject : Biochemistry
221. Which of the following is a common enzyme for de novo as well as the salvage pathway of purine biosynthesis?
Biochemistry • • NIPER 2015
222. An inanimate object that transmits infectious agents between hosts is most appropriately called:
Biochemistry • • NIPER 2015
223. Chirality of DNA is due to:
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224. Which of the following is not an enzyme-linked receptor?
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225. Tay-Sachs disease is the result of a genetic defect in the metabolism of:
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226. Identify ω-3 acid:
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227. Conversion of tryptophan to serotonin involves which set of reactions?
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228. The number of bacteria in a test tube doubles every 3 minutes. If at the end of 1 hour there are N bacteria in the test tube, at the end of how many minutes were there exactly N/4 bacteria?
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229. Urea cycle occurs in:
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230. Which is the common intermediate for glucose metabolism and TCA cycle?
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231. The molecular formula of cholesterol is:
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232. As per the nomenclature of prostaglandins, in the name PGE2, E indicates solubility in:
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233. Ribosome has the following enzymatic activity:
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234. Which of the following protozoan parasites replicates inside a non-nucleated human cell?
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235. In human genome, approximately ______ of the DNA codes for proteins:
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236. The co-receptor responsible for the entry of HIV into the host T cells is:
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237. The metabolic pathway that occurs partly in mitochondria and partly in cytosol is:
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238. Which one of the following statements is NOT correct for the classification of carbohydrates?
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239. Western blot detects:
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240. HeLa cell line is derived from which type of carcinoma?
Biochemistry • • NIPER 2015
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