15 molecular basis of inheritance

study guide 15

how was it established that DNA (not protein) is the genetic material?

This was established through experiments such as the Hershey-Chase experiment

Using radioactive labels on viruses to show that only the viral DNA, not protein, enters the host

Why can’t two double-ring bases like guanine and adenine pair up in a DNA double helix?

how can a dna double helix serve a template for making a copy of itself? why is it important?

what is dna replication?

The duplication of a DNA molecule using each of its two original strands as templates for building new ones.

is dna replaication perfectly accurate? if not what do cell do about this?

How are errors in DNA replication repaired? why is it important that not all errors are repaired?

What is a telomere, and why is it significant in a cell’s life history?