Which statement about the polarity of DNA strands is true? A) The 3' end has a free OH groupB) The 5' end has a free OH groupC) The 3' end has a free phosphate group

The arctic fox and gray fox evolved from the same species over thousands of years. can you place these steps in the process of allopatric speciation along the timeline?

How are alleles are passed from the parents to the offspring

Biome:Desert Organism:Coyote 1. In what type of ecosystem can this population be found? 2. How might this population suddenly increase? How might this affect the ecosystem? 3. What might happen to the ecosystem if this population were removed?

What is the BEST word to describe the probability that the spinner will stop on 3 or 4? A) certain B) unlikely C) impossible D) very likely

The science investigation involves earthworms and light. What might be a good hypothesis for this investigation? Question 7 options: Can the amount of light affect the movement of earthworms?

Glycine is what type of monomer?

What two characteristics played a role in reproductively isolating ground finches?

How much waste is in the Pacific Ocean

Polaris, the North Star, is almost always visible in the same location because

In two communities of similar size and age structure (A and B) there were outbreaks of viral illness (virus A in community A and virus B in community B), both of which were traced back to a single source.