15. List any three human activities which would lead to an increase in the carbon dioxide content of Air?

Which of the following is an example of an environmental change the affected the evolution of life a. volcanic activity b. changes in climate c. mountain building d. all of the above

Works together in the synthesis, modification, packaging, and transport of lipids and proteins

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons