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Which statement(s) is/are true?

Which of the following is one of the values of photosynthesis to humans?

The sequence of membrane proteins of the electron transport chain includes three transport proteins and other electron transport proteins. As the electrons from the electron carrier molecules move through the proteins, work is done. The electron transport chain produces a(n) ___________ concentration gradient.

The energy-payoff phase of glycolysis involves the removal of

Reference Slide:  Lower Power      Identify the CELLS indicated by the arrow.     

Reference Slide:  Low Power      Identify the LAYER indicated by the bracket.     

Identify the STRUCTURE indicated by the arrow (same organ as previous slide).    

Identify the SPECIFIC REGION (SEGMENT) of the organ in the field of view.     

Reference Slide:  Low Power.  Location of structure to identify is marked.       Identify the STRUCTURE (not the cell) indicated by the arrow.   

Reference Slide:  Higher Power    Identify the CELL indicated by the arrow.