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The endomembrane systtem contains all of the following except:

The three major processes common to all living cells are:

DNA is converted into RNA within:

The figure above shows that ________.

Plants need carbon, hydrogen, and oxygen atoms to synthesize organic molecules to make new leaves, roots, or stems. Which statement about where they get these atoms is correct?

Scientists were exposing the algae to chemicals that mutate the DNA because:

Based on its function in detoxifying drugs, one would expect to find a large amount of smooth endoplasmic reticulum in ________ cells.

Which claim about the history of the Earth has the most scientific support?

Some protozoans have special organelles called contractile vacuoles that continually eliminate excess water from the cell. The presence of these organelles tells you that the environment the protozoan lives in is________.

Both cellular respiration and photosynthesis use electron carriers.