31A Photosyn-Resp (O2)

31A Photosyn-Resp (O2) - Experiment 31A Photosynthesis and...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Biology with Calculators 31A - 1 Experiment 31A Photosynthesis and Respiration Plants make sugar, storing the energy of the sun into chemical energy, by the process of photosynthesis. When they require energy, they can tap the stored energy in sugar by a process called cellular respiration. The process of photosynthesis involves the use of light energy to convert carbon dioxide and water into sugar, oxygen, and other organic compounds. This process is often summarized by the following reaction: 6 H 2 O + 6 CO 2 + light energy C 6 H 12 O 6 + 6 O 2 Cellular respiration refers to the process of converting the chemical energy of organic molecules into a form immediately usable by organisms. Glucose may be oxidized completely if sufficient oxygen is available by the following equation: C 6 H 12 O 6 + 6 O 2 (g) 6 H 2 O + 6 CO 2 (g) + energy All organisms, including plants and animals, oxidize glucose for energy. Often, this energy is used to convert ADP and phosphate into ATP. Using the O 2 Gas Sensor, you will attempt to monitor the oxygen consumed or produced by plants. Figure 1 MATERIALS LabPro or CBL 2 interface 250-mL respiration chamber TI Graphing Calculator plant leaves DataMate program 500-mL tissue culture flask Vernier O 2 Gas Sensor lamp aluminum foil forceps
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
31A - 2 Biology with Calculators Experiment 31A PROCEDURE 1. Plug the O 2 Gas Sensor into Channel 1 of the LabPro or CBL 2 interface. Use the link cable to connect the TI Graphing Calculator to the interface. Firmly press in the cable ends. 2.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 4

31A Photosyn-Resp (O2) - Experiment 31A Photosynthesis and...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online