What happens first at each origin of replication?

A: enzymes kill viruses

B: enzymes remove bases

C: enzymes unwind DNA

D: enzymes eat nucleotides

The skeletal system performs a variety of functions that are crucial to maintaining life processes. what function is performed in the bone marrow, but not in the ossified bones of the skeleton? a oxygen transportation c mineral storage b. muscle attachment d red blood cell production

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.