g In the lac operon (above), what will be the effect on the expression of the lacZ and lacY genes if there is a mutation in the operator sequence (lacO) that prevents the repressor protein from binding to the operator

a. to encourage apoptosis

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]