Answer: Self regulating
Explanation:
Regulation of gene expression, or gene regulation, includes a wide range of mechanisms that are used by cells to increase or decrease the production of specific gene products (protein or RNA). When genes are auto regulatory, it is self regulatory just like the butterfly mentioned above.
Answer:
c. The lumber industry building a railroad.
For this item and the choices we are given, I go with nonresponse. Thus, the answer is letter B. This process of surveying is one of the best there is; however, it faces the disadvantage that not every owner of the homes who have chosen may be kind enough to lend you some of their time to answer the questions.
