Which characteristics describe bacteria? Check all that apply. are microscopic are single celled are multicelled have shapes that include sphere, rod, and spiral have shapes that include prism, cone, and spiral have nuclei and membrane-bound organelles do not have nuclei and membrane-bound organelles

2. what process do mrna and trna work together to complete? (3 points)

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

Cells are adapted to preform specific functions. which of the following terms refers to this capability?