The adenine bases in a DNA molecule are radioactively labeled. The DNA is then placed in a solution containing unlabeled nucleotides and the enzymes needed for DNA replication. The DNA molecule is allowed to replicate twice, forming four new DNA molecules. You would find the radioactively labeled adenine in:

What happens when the cell copies its chromosomes

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

In the diagram below, the northern hemisphere would be in what season at position a a.fall b. winter c.summer d.spring