Which of the following forms the "steps" of the dna molecule a. phospate groups

b. deoxyribose sugars

c. nitrogen-containing bases

d. all of the above

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

Why would a drug the damages capsids treat a viral infection