10) In which of these extant classes did jaws occur earliest?

43) In the digestive system, peristalsis is ________.

15.  What does exergonic reaction mean ?

50. In mitochondria, an electron transport chain pumps protons from the matrix into the intermembrane space, whereas in chloroplasts, an electron transport chain pumps protons from the ________.

24.  Which process produces alcohol or lactate?

5.  What happens when an excited electron is passed to an electron acceptor in a photosystem ?

12.  The first biochemical pathway to release the first carbon dioxide during cellular respiration of glucose is

5.  What happens when an excited electron is passed to an electron acceptor in a photosystem ?

33.  Which of these pairs of processes are anaerobic?

22.  The first reaction in the citric acid (Krebs) cycle is binding