DNA's shape is similar to what basic structure?

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

Which codon is the code for the amino acid histidine (his)?

Abnormal softening of a gland is known as