Which of the following are pyrimidines? A. Adenine B. Cytosine C. Guanine D. Thymine (a) A, B (b) A, C (c) A, D (d) B, C (e) B, D Nucleic Acids: Nucleic acids are one of the four biological macromolecules that primarily functi...
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Answer to Solved Which of the following is a pyrimidine (one type of | Chegg.com
46.Whichofthefollowingarethenitrogensourceofurea? carbomoylphosphateandaspartate; carbomoylphosphateandornithine; α-aminogroupandγ-aminogroupofornithine; α-aminogroupofcitrullineandα-aminogroupofarginine; γ-aminogroupofornithineandglycine 47.WhichofthefollowingaminoacidcanproducePAPS? taurine;methionine;...
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C. PyrimidinesaregenerallyrestrictedtotheanticonformationbecauseofstericinterferencebetweenthesugarandthecarbonyloxygenatC-2ofthepyrimidine. D. TheAformisthemoststablestructureforarandom-sequenceDNAmoleculeunderphysiologicalconditionsandisthereforethestandardpointofreferenceinanystudyofthepropertiesofDN E. Structural...
The most important role of S-adenosyl methionine (SAM) is. A、to provide methionine B、to synthesize tetrahydrofolate C、to synthesize purine nucleotides D、to synthesize pyrimidine nucleotides E、to supply methyl group 点击查看答案 第10题 Which of the following state is positive nitrogen balance...
Which of the following is a nitrogen base found ONLY in RNA? a. Thymine b. Uracil c. Deoxyribose d. Adenine e. All of the above except b. Nitrogenous Base: The nucleic acids, DNA and RNA, are made up of nucleotide buil...
Pyrimidine derivatives that are antagonists of the vitronectin receptor, preparation process, and pharmaceutical compositions containing them. Claim 1: The pyrimidine derivatives of the general formula (1) in their pure stereoisomeric forms and mixtures of these stereoisomers and if appropriate, the pure...
C1 to C4 alkoxy or CONH2; H is an optionally substituted C-linked 5- or 6-membered heterocyclic group; Ar is optionally substituted phenyl; and n is 0 or 1; are potent and selective cGMP PDE5 inhibitors useful in the treatment of, inter alia, male erectile dysfunction and female sexual...