Biochemistry: fill in the blanks · Grade 12

The word bank and sentences

Directions: Read each sentence. Choose the best word from the word bank and write it on the line. Some words are not used.

• Word bank: cross out each word as you use it
• 30 enzyme · bilayer · shape · rubisco · pyruvate · glucose peptide bond ____ denature ____ activation energy
• 1 In the Calvin cycle, the enzyme · fixes carbon dioxide into organic molecules.
• 2 Phospholipids form the · of cell membranes.
• 3 Cellular respiration can produce roughly · ATP molecules from one glucose molecule.
• 4 A protein's function depends on its three-dimensional ____.
• 5 Enzymes lower the · needed for a reaction to start.
• 6 Starch, glycogen and cellulose are all polymers of ____.
• 7 Glycolysis splits one glucose molecule into two molecules of ____.
• 8 Heat can · proteins, which is why a cooked egg white turns solid.