What cell part contains an organism’s genome

What is the period of cell life when it is conducting

What is the next step in the process after a substrate enters the active site of an enzyme

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere