BIOLOGY 1A03 Lecture Notes - Lecture 3: Sodium Bicarbonate, Sodium Carbonate, Carbon Fixation

• School: McMaster University
• Department: Biology
• Course: BIOLOGY 1A03
• Professor: Dr.Da Silva

Document Summary

Please answer each of the following questions using complete sentences. Please type your answers using a legible font. Include them at the end of your formal lab report: what was the function of sodium bicarbonate in this experiment? (2 points) To provide the leaves with a source of co2 after all gases (o2 and co2) had been removed from the leaves: what is the purpose of the vacuum you created using the plunger? (2 points) To remove trapped air and infiltrate the interior of the leaf with sodium bicarbonate solution, which will be the source of co2: what was the purpose of the total darkness trial? (2 points) To determine the effect of no light on the rate of photosynthesis: explain the process of carbon fixation. (2 points) Co2 is attached to another sugar by an enzyme, rubisco: explain the process that causes the leaf disks to rise. (3 points)