Who among the following is a famous conservationist known for their 45-year study of chimpanzees? a. jane goodall b. rachel carson c. harrison ford d. natalie portman

When ash and dust begin to settle on the ground, they eventually become compacted by

Select the correct answer from each drop-down menu. the lac operon in e.coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now