Multiple choice Which of the following is false about cornocobs structure? Cornocob structure are highly specific cell-to-cell interactions. Cornocob appearance is seen in supragingival plaque towards tooth surface. The cornocob formations have Gram-negative rod-shaped bacterial cells. Central Gram-positive core supporting outer coccal cells is called cornocob arrangement. Central Gram-negative core supporting outer coccal cells is called cornocob arrangement. Reveal answer Fill a bubble to check yourself D Correct answer Explanation Central Gram-negative core supporting outer coccal cells is called cornocob arrangement.