If genes from an organism, such as a bacterium, are inserted into a cell of another organism, such as corn, why does the gene still function?

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

Math focus 4. calculate a map has index contours at 250 m, 500 m, and 750 m. what is the contour interval?