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B) Chain length decreases and degree of unsaturation increases (Membrane Fluidity). The most prominent area of biotechnology is the production of therapeutic proteins and other drugs through genetic engineering. Question4: Do bacteria cells have nucleus? Many people find that they need to visit multiple sources or decipher scientific jargon for complete, accurate answers. Question 26. Aarohan Biotek Online Mock Test for GATE-2015 (Biotechnology) 25 Questions | 990 Attempts CSIR UGC NET Life Sciences,CSIR UGC NET (Paper 1 - Part A),Grad/Post-Grad: Biotechnology,PTU CET Biotechnology,Biotechnology and Society Contributed By: Aarohan Biotek residues. 61) What is an animal? 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