Question

Which of the following is false?

(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

I got this question during an online interview.

This intriguing question originated from Regulatory Enzymes in portion Enzymes, Carbohydrates and Gycobiology of Biochemistry

Answer 1

The correct answer is (b) An example of an enzyme regulated by methylation is the methyl-donating chemo taxis protein of bacteria

The explanation is: An example of an enzyme regulated by methylation is the methyl-accepting chemo taxis protein of bacteria.