Life Sciences
GATE XL format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 441–450 of 812. Imported answers require independent review unless marked reviewed.
Question 9
Open questionXL-PMCQ2 marksNeeds review
Given below are Newman projections of ethylene glycol and 1,2-difluoroethane about their respective C-C bonds. The most stable conformations (lowest energy) of ethylene glycol and 1,2-difluoroethane are
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In the reaction given below, choose the condition that gives an anti-Markovnik’s product.
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Which one of the following hexoses will give an osazone that has a different melting point from that of the osazone obtained from D (+) glucose?
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Which one of the following hormones initiates a signaling cascade by directly binding to an intra-cellular receptor?
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Which one of the following bonds is NOT present in ATP?
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The reaction involved in the direct conversion of L-phenylalanine to L-tyrosine is
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The human major histocompatibility complex (MHC) is
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Har Gobind Khorana and Marshal Nirenberg elucidated the genetic code by using a cell-free protein synthesizing system. It was found that poly(U) and poly(C) result in the synthesis of poly(L-Phe) and poly(L-Pro), respectively. Based on these observations, which one of the following conclusions is correct?
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Binding of an antibody to its cognate antigen does NOT involve
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A globular protein of molecular weight 50 kDa exists as a mixture of monomers and dimers in solution. The most appropriate technique for the separation of these two forms of the protein is
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