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How many amino acids are consider as being essential?

Identify the organelle labeled as number 6.

Metabolism is the sum of ALL the biochemical reactions in an organism.

Energy allows for the powering of activities.

The function of the chloroplast is?

Cell theory indicates that things are made of cells and cells do not come from preexisting cells.

When a hypothesis has been repeatedly supported over a long period of time, what does it become?

Which is a monomer of one of the biological molecule classes?

The reactants for cellular respiration include ________ and oxygen.

There are two primary variable involved in an experiment.  The independent variable and the _________ variable.