Human epithelium contains a layer of cube-shaped cells. If the length, height, and width of such a cell is 1 micrometer (um), what is the surface area of its
cell membrane?
O A. 6 pm
B. 3 um
O C. 6 um?
O D. 3 um

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

Which layer will become saturated first when rain falls?

Recombinant dna (rdna) creates offspring which are genetically identical to the parent is the process of breeding only organisms with desirable traits involves the removal of the nucleus of a cell combines genes from organisms of different species in a lab