Question
a.
Methyl, phosphoryl, adenyl, uridylyl and adenosine diphosphate ribosyl groups are the modifying groups
b.
An example of an enzyme regulated by methylation is the methyl-donating chemo taxis protein of bacteria
c.
The protein is a part of the system that permits a bacterium to swim towards attractant
d.
The methylating agent is S- adenosylmethionine
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