A molecule of DNA, the genetic material in cells, consists of two long connected strands of – in the shape of a –. The two strands of DNA are bound to each other, with bases pairing together, via –. – pairs with adenine, and cytosine pairs with –.

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?