Topic 8 Metabolism, Cell Respiration, and Photosynthesis
Nature of science: Developments in scientific research follow improvements in apparatus
sources of 14C and autoradiography enabled Calvin to elucidate the pathways of c
Practice test questions
1. At the end of glycolysis 2 pyruvates are produced. What molecule actually
enters the Krebs Cycle?
A. coenzyme A
B. acetyl CoA
D. citric acid
2. Which one of the following is the correct sequence of stages in cell
Quaternary Structure: 8
large and 8 small
consists of an
held by three
amino acids, a
and a lar
Define enzyme. What type of organic compound are they?
Explain HOW an enzyme works.
Define active site.
Draw a PICTURE of an enzyme-substrate reaction.
Name 3 factors that can affect enzyme activity.
Draw a graph showing the optimum pH of the enz