Explanation:
"Enzymes are like scissors , cutting up food to get absorbed into the body"
The believe that the best answer among the choices provided by the question is the E. All contain histones.
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<span>The gene sequence containing an operator, promoter and repressor is known as an operon. These genes are called as structural genes. the operon is regulated by the presence/absence of the inducer such as glucose/lactose. It may also be a constitutive operon, which works all the time.</span>
