You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Most impoant amino acid which acts as methyl group donor - and explain in detail?
Ans. is 'b' i.e., MethionineMethionine is activated into S-adenosylmethionine, which then transfers its methyl group to an acceptor. Thus methionine acts as methyl donor in transmethylation reactions.Some of the impoant transmethylation reactions are?Norepinephrine - EpinephrinePhosphatidylethanolamine - PhosphatidylcholineGunaidoacetate 4 CreatineEthanolamine - CholineAcetyl serotonin - SerotoninNucleotides methylated nucleotides