Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 6, Problem 2CT
While gazing into an aquarium, you see bubbles coming from an aquatic plant (left). What are the bubbles?
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This apparatus was used by a student, in a brightly lit room, to measure the rate of water
loss from a leafy shoot. He measured how far the bubble moved in five minutes. He
measured this three times.
The results are shown in the table.
i.
Measurement Distance moved by the bubble in cm
1
2
Table 9.1
3
11.9
12.6
13.0
Use these results to calculate the mean (average) rate of water loss in cm per minute.
Show your working.
cm per minute
Use the information and the table below to answer the following question (s) Elodea , a freshwater plant , reteases gas bubbles when is placed in direct light In an investigation , a student placed a lamp at different distances from an aquarium containing Elodea . The student counted the number of bubbles produced by the Elodea plant . His data are shown in the table below. The bubbles released by Elodea contain mostly
10°C water
25 °C water
40 °C water
Lumes
number of bubbles released
number of bubbles released
number of bubbles released
0
3
7
3
1000
11
23
11
2000
17
35
17
3000
19
39
19
Why are bubbles counted in this experiment, and what do they represent?
make a line graph showing the difference in the number of oxygen gas bubbles released by the plant under different light intensities and water temperatures.
Which light intensity and water temperature caused the plant to produce the most amount oxygen gas during the process of photosynthesis? Why
Which light intensity and water temperature caused the plant to produce the least amount oxygen gas during the process of photosynthesis? Why?
Chapter 6 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - A cat eats a bird, which ate a caterpillar that...Ch. 6 - Prob. 2SQCh. 6 - Most of the carbon dioxide that plants use for...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - In cyanobacteria and photosynthetic eukaryotes,...Ch. 6 - When a photosystem absorbs light, _______. a....Ch. 6 - In the light-dependent reactions, _______. a....
Ch. 6 - In the light-dependent reactions, what accumulates...Ch. 6 - The atoms in oxygen molecules released during...Ch. 6 - Prob. 10SQCh. 6 - Prob. 11SQCh. 6 - Which of the following substances does not...Ch. 6 - Closed stomata ________. a. limit gas exchange b....Ch. 6 - In C3 plants, ______ makes sugar production...Ch. 6 - Match each term with the best description. ______...Ch. 6 - Prob. 1CTCh. 6 - While gazing into an aquarium, you see bubbles...Ch. 6 - AC3 plant absorbs a carbon radioisotope (as part...Ch. 6 - In 2005, a new species of green sulfur bacteria...
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- helparrow_forwardLook at the “smoke” rising from the puffballs above. This “smoke” is an example of which process?arrow_forwardElodea was fully submerged in water so that: Select one or more: a. the plant could be more evenly exposed to light b. the bubbles of oxygen released by the plant could be visualized c. the plant could release the maximum amount of carbon dioxide d. the plant could absorb the maximum amount of oxygen in the surrounding waterarrow_forward
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