Floating leaf disk photosynthesis lab
[PDF File]IB Biology Higher Level Lab Report - Prince Edward Island
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IB Biology Higher Level Lab Report Title: Investigate the effects of sodium bicarbonate and light intensity on the rate of photosynthesis of green spinach leaves through the observation of floating leaf discs
[PDF File]The Floating Leaf Disk Assay for Investigating Photosynthesis
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Leaf disks float, normally. When the air spaces are infiltrated with solution the overall density of the leaf disk increases and the disk sinks. The infiltration solution includes a small amount of Sodium bicarbonate. Bicarbonate ion serves as the carbon source for photosynthesis. As photosynthesis proceeds oxygen is
[PDF File]BACKGROUND rd.org
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In the first part of the lab, students learn how to measure the rate of photosynthesis indirectly by using the floating leaf disk procedure to measure oxygen production. Alternatively, they could explore how to measure the rate of photosynthesis using various probes interfaced to computers.
[PDF File]Floating Leaf Disk Assay - North Thurston Public Schools
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Floating Leaf Disk Photosynthesis Lab Introduction: Photosynthesis is a process that converts carbon dioxide into sugars such as glucose using energy from the sun. When light is absorbed by pigments in a leaf, the energy absorbed is used to incorporate the carbon dioxide into organic molecules in a process called carbon fixation.
[PDF File]Floating Leaf Disk Photosynthesis Lab
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interior of the leaf which changes its buoyancy causing the disks to rise. Since cellular respiration is taking place at the same time within the leaf, consuming the oxygen generated by photosynthesis, the rate that the disks rise is an indirect measurement of the net rate of photosynthesis. In this lab, you will measure the net rate of
[PDF File]Floating Leaf Disks for Investigating Photosynthesis v2
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Floating Leaf Disks for Observing and Investigating Photosynthesis ... When the air spaces are replaced with water the overall density of the leaf disk increases and the disk sinks. The saturating solution should include a small amount of Sodium bicarbonate. Bicarbonate ion serves as the carbon source for photosynthesis. ...
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