Floating leaf disk lab answers
[PDF File]The Floating Leaf Disk Assay for Investigating Photosynthesis
https://info.5y1.org/floating-leaf-disk-lab-answers_1_db6576.html
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]Photosynthesis in Leaf Disks Teacher Preparation and ...
https://info.5y1.org/floating-leaf-disk-lab-answers_1_d9f540.html
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
[PDF File]Floating Leaf Disk Assay
https://info.5y1.org/floating-leaf-disk-lab-answers_1_241ac9.html
In this lab, you will be using leaf disks, to assay the net rate of photosynthesis under various lighting conditions. Leaf disks normally float, however when the air spaces are infiltrated with carbon dioxide, the overall density of the lead disk increases and the leaf disk sinks. When sodium bicarbonate is …
[PDF File]Photosynthesis: How do plants get energy?
https://info.5y1.org/floating-leaf-disk-lab-answers_1_021b2f.html
The purpose of the vacuum is to force out all air in the inner spaces of the leaf disks. The solution will now have room to flood in and saturate the leaf disk. By “sucking” we are actually pulling the air out of the leaf discs. 11) Repeat this vacuum until leaf disks are no longer floating in solution and have sunk to …
[PDF File]Floating Leaf Disk Photosynthesis Lab - Mrs. Waterworth's ...
https://info.5y1.org/floating-leaf-disk-lab-answers_1_b43366.html
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
[PDF File]BACKGROUND - College Board
https://info.5y1.org/floating-leaf-disk-lab-answers_1_7314b8.html
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. In the floating leaf disk procedure, a vacuum is used to remove trapped air and infiltrate the interior ...
[PDF File]Photosynthesis in Leaf Discs - University of Washington
https://info.5y1.org/floating-leaf-disk-lab-answers_1_94a910.html
5. Describe the relationship between the number of discs floating and time, as shown on the graph. 6. Did any leaf discs float in the dark beaker? If so, what might explain this result? 7. Explain the changes that occurred within the leaf tissue that allowed the leaf discs to rise to the surface. 8. Imagine that you had 1-2 additional class ...
[PDF File]Students - BPS Science Practices - Home
https://info.5y1.org/floating-leaf-disk-lab-answers_1_e504a0.html
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?
[PDF File]Floating Leaf Disk Photosynthesis Lab Adapted from Brad ...
https://info.5y1.org/floating-leaf-disk-lab-answers_1_9362a5.html
FLOATING TIME DISKS FLOATING 1 8 2 9 3 10 4 11 5 12 6 13 7 14 Questions for the floating leaf disk lab. 1) What was the function of the sodium bicarbonate in this experiment? 2) Explain the process of carbon fixation. You may need to refer to your
[PDF File]Leaf Disk TM - Gulf Coast State College
https://info.5y1.org/floating-leaf-disk-lab-answers_1_899053.html
To cut out a disk, cover a fingertip on one hand with part of a leaf, then with the other hand, press the end of a straw against the leaf and your fingertip. 3. Place each leaf disk into the syringe. You may need to blow on the end of the straw to remove the disk. 4. After 10 leaf disks are in the syringe, use the straw to position them at the ...
Nearby & related entries:
To fulfill the demand for quickly locating and searching documents.
It is intelligent file search solution for home and business.