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Observe the structures of glucose and fructose below. These two molecules differ in the  G & F.JPG 

A trace element is one found in specific organisms in _____ quantities and is _____ for normal biological functions.

Which are some conditions that can denature proteins?

All cells have a nucleus with DNA to carry genetic information, a plasma membrane which serves as a selective barrier, and mitochondria for the generation of energy.

Which of the following statements most correctly represents the organization of living systems from smallest to largest?

Organelles(s) found in plant cells, but not in animal cells 

The individual credited with first observing the walls of dead cork cells.

Class of lipids that are the major component of cell or plasma membranes.

Changing the number of ______________ changes an atom into a different element. 

Consider the following graph for  . Which one of the following functions can represent the graph? a.     b.