You are performing a Gram stain on an unknown microorganism. You add the crystal violet to the smear and let the stain sit for one minute. After waiting, you observe the slide under a microscope and see purple bacilli (rods) arranged in chains. Is it safe to assume this is Gram positive?

Which identifies the main purpose of biological taxonomy?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?