33) The force driving simple diffusion is ________, while the energy source for active transport is ________.

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

15) Which of these is not considered an amniote?

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