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[PDF File]AP BIOLOGY LAB: PHOTOSYNTHESIS
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AP BIOLOGY LAB: PHOTOSYNTHESIS (adapted from AP College Board Photosynthesis lab) ... If this leaf disk is placed in a solution with an alternate source of carbon dioxide in the form of ... procedure has shown that the point at which 50% of the disks are floating (ET 50) …
floating leaf disk photosynthesis lab

[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
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[PDF File]Students - BPS Science Practices - Home
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7 Floating Disks: An Investigation of Photosynthesis Post-Lab Questions and Analysis Directions: After completing the Floating Disks lab, answer the questions below. 1. Analyzing In which tube did all (or most) of the leaf disks float first?Does this result match your prediction from the pre-lab questions?
floating leaf disk lab answers

[PDF File]Floating Leaf Disks for Investigating Photosynthesis v2
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Leaf disks float, normally. 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.
leaf disk assay answers

[PDF File]The Floating Leaf Disk Assay for Investigating Photosynthesis
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The Floating Leaf Disk Assay for Investigating Photosynthesis ... - At the conclusion of the lab, determine the point at which 50% of the leaf disks are floating (the median). This is the point of reference for this procedure. ... Using the floating disk technique, you will design an experiment to test a variable that might
photosynthesis in leaf disks answers

[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 ... Floating Leaf Disk Assay
floating disk photosynthesis lab

[PDF File]BACKGROUND - College Board
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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.
floating leaf disk assay

[PDF File]Floating Leaf Disk Photosynthesis Lab
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in the leaf (Fig. 3) 6) Remove the plunger of the syringe and place your leaf disks in the syringe barrel. 7) Replace the plunger, being careful not to crush the leaf disks. Push on the plunger until only a small volume of air and leaf disk remain in the barrel. (Fig. 4) Figure 1 Figure 2
photosynthesis leaf disk lab report

[PDF File]Title: The Floating Leaf Disk Assay
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Bio 210L Lab #6 – Rate of Photosynthesis Page 3 of 5 4. Infiltrate the leaf disks with sodium bicarbonate solution. o Remove the piston or plunger and place the leaf disks into the syringe barrel. o Replace the plunger being careful not to crush the leaf disks. o Push on the plunger until only a small volume of air and leaf disk remain in the barrel (
floating leaf disk photosynthesis lab

[PDF File]Photosynthesis in Leaf Disks Teacher Preparation and ...
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the time it takes for leaf disks to rise to the surface. As an extension you may propose that the floating disks be placed in the dark to determine if the disks will sink after photosynthesis ceases. After mastering the basic techniques in the controlled lab, each pair of students will design and carry out
floating leaf disk lab results

Floating leaf disk lab report