The graph below shows the volume of known petroleum in different regions of the world as estimated in 1997. Known Petroleum Volume on Earth (1997)

Image courtesy of USGS
The graph shows that most of the known petroleum at the time was located in Region 2, which includes the Middle East and northern Africa.

Based on the large volume of petroleum in Region 2, what kind of activity must have occurred there in the past?

The dna in a cell’s nucleus encodes proteins that are eventually targeted to every membrane and compartment in the cell, as well as proteins that are targeted for secretion from the cell. for example, consider these two proteins: phosphofructokinase (pfk) is an enzyme that functions in the cytoplasm during glycolysis. insulin, a protein that regulates blood sugar levels, is secreted from specialized pancreatic cells. assume that you can track the cellular locations of these two proteins from the time that translation is complete until the proteins reach their final destinations.for each protein, identify its targeting pathway: the sequence of cellular locations in which the protein is found from when translation is complete until it reaches its final (functional) destination. (note that if an organelle is listed in a pathway, the location implied is inside the organelle, not in the membrane that surrounds the organelle.)

Which best describes carbon dioxide’s path out of the body

An animal cell (left) and a plant cell (right) are shown.which organelle, labeled x in the diagram, is found in both plant and animal cells?