The graph shows the energy change of a chemical reaction. The extra energy needed to initiate product formation is called ___.  

What is the ATP yield per glucose in aerobic respiration?

In what phase of mitosis is the animal cell? [a] Spindle fibers are made of [b].     

Which reduced electron carrier transfers electrons to a mobile electron carrier in the electron transport chain?

Which reduced electron carrier transfers electrons to the first proton pump of the electron transport chain?

Binding of a molecule (green circle) to an enzyme inhibits the enzyme. The molecule is a [a] inhibitor. The inhibitor binds to the [b].

A/an ___ reaction is spontaneous and releases energy.

Which of these is NOT a product of pyruvate oxidation?

What phase of the cell cycle do these events occur? Chromosomes are segregated to opposite poles of the cell. [a] In an animal cell, centrioles are replicated. [b]   

Which pair of chromosomes fit the description? These are nonreplicated chromosomes. [a] These are replicated homologues. [b]