Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 7.5, Problem 1BC
Summary Introduction
To analyze:
The method by which plants transport water needed for photosynthesis into their leaves.
Introduction:
The photosynthesis is required by the plant to harvest the light energy from the sunlight and convert the atmospheric carbon dioxide into a usable form of carbohydrates. The carbohydrate synthesized by the plant is glucose that is stored in the form of starch.
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Students have asked these similar questions
10. Observe the graph on the right. If you had
a hypothetical plant that only had a
hypothetical photopigment with an
absorption maximum at 585, which color
light would produce the highest rate of
photosynthesis?
ltra
Violet
Blue
456-492 nm
Green
492677 nm
Yellow
Orange
597-620 nm
Red
intra
vielet
red
400-455 nm
677-697 nm
620-700 nm
nm
400
500
600
700
short wtength
Ieng vetength
high fmuency
lawhumcy
Why do plant leaves look green to us?
1. Because pigments in chloroplasts absorb green light, while red and blue light is reflected
2. Because pigments absorb red and blue light, while the green light is reflected
3. Because pigments absorb red and blue light and green light is emitted from their excited states
4. Because pigments in chloroplasts absorb green light, while red and blue light passes through the leaf
1. Look at the molecular formula for plant tissue. Where does the carbon
come from?
2. Where does the hydrogen in C6H12O6 come from?
3. When radioactive isotopes of oxygen atoms are put into CO2 molecules
and the plant is allowed to photosynthesize, only new plant tissue
(C6H12O6) is radioactive and the oxygen gas given off is not radioactive.
Draw a dotted line in the photosynthesis equation to show where the
oxygen atoms in CO2 go.
4. Draw a dotted line in the equation to show where the oxygen atoms
in H20 go.
Chapter 7 Solutions
Principles of Biology
Ch. 7.1 - Which types of organisms carry out cellular...Ch. 7.1 - Prob. 1BCCh. 7.1 - Prob. 2CCCh. 7.1 - Prob. 1TYKCh. 7.1 - If you were traveling from the cytosol to the...Ch. 7.1 - Prob. 3TYKCh. 7.2 - Prob. 1CCCh. 7.2 - Prob. 2CCCh. 7.2 - What is the advantage of having different pigment...Ch. 7.2 - Prob. 4CC
Ch. 7.2 - Prob. 5CCCh. 7.2 - Prob. 1TYKCh. 7.2 - Prob. 2TYKCh. 7.2 - What is the purpose of cyclic...Ch. 7.3 - Prob. 1CCCh. 7.3 - Prob. 1TYKCh. 7.3 - Prob. 2TYKCh. 7.4 - Prob. 1CCCh. 7.4 - Prob. 1TYKCh. 7.4 - Prob. 2TYKCh. 7.5 - Prob. 1CCCh. 7.5 - Prob. 1BCCh. 7.5 - What are the advantages and disadvantages for C3,...Ch. 7.5 - Prob. 1TYKCh. 7.5 - An evolutionary adaptation to minimize...Ch. 7 - The water necessary for photosynthesis is split...Ch. 7 - Prob. 2TYCh. 7 - Prob. 3TYCh. 7 - Prob. 4TYCh. 7 - During the first phase of the Calvin cycle, carbon...Ch. 7 - Prob. 6TYCh. 7 - Prob. 7TYCh. 7 - Prob. 8TYCh. 7 - Prob. 9TYCh. 7 - Plants commonly found in hot and dry environments...Ch. 7 - What are the two stages of photosynthesis? What...Ch. 7 - What is the function of NADPH in the Calvin cycle?Ch. 7 - A principle of biology is that living organisms...Ch. 7 - Discuss the advantages and disadvantages of being...Ch. 7 - Prob. 2CBQ
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- For photosynthesis lab in biology 1) This lab uses spinach leaves. Name another plant that would make an interesting comparison to spinach. Explain why you think this leaf would provide an interesting comparison 2) The lights used in this experiment are 60W. What would you predict the effect of having stronger or weaker wattage bulbs would be on your results? Explain. 3)This lab uses 0.2% sodium bicarbonate. What would you predict the effect of raising or lowering the percentage would be on your results? Explain. 4)What are TWO other things that might be manipulated in an experiment using this same protocol other than the type of leaf, percent sodium bicarbonate, and wattage of light bulb? 5) What key thing do you have to look for on the graph to know for certain that your treatment has caused a significant effect?arrow_forwardIf you can observe plant lovers, they usually water their plants early in the morning and/or late afternoon. How are watering plants related to the process of photosynthesis?arrow_forwardA group of scientists wants to test the effect of different wavelengths of light on plant photosynthesis. They have 3 treatment groups: red light, green light, and no light. They choose red light because chlorophyll has been shown to absorb red light. They choose green light because chlorophyll has been shown to reflect green light. They choose no light as a negative control to examine the rate of photosynthesis in the absence of light. To measure photosynthetic rate, the scientists use sensors to measure oxygen production of plants exposed to the different light treatments. Choose the best scientific hypothesis: O Photosynthesis is a critical process for plants, and it is of great importance that we understand how it is impacted by different wavelengths of light. O If rate of oxygen production is higher under red light than it is under green light or no light, it proves that red light has the largest effect on photosynthesis. O Because chlorophyll absorbs red light, rate of oxygen…arrow_forward
- Based on the graph below, what can you infer? Absorption and Action Spectra 400 500 600 700 Wavelength of light (nm) photosynthesis is most active between 400- 475. That is why plants are green photosynthesis is most active between 450 -550. That is why plants are green photosynthesis is most active between 600- 700. That is why plants are green both a and c are correct There is not enough evidence in the graph to infer any of the above Absorbance / Photosynthetic Ratearrow_forwardFigure 8.18 Which of the following statements is true? In photosynthesis, oxygen, carbon dioxide, ATP, and NADPH are reactants. G3P and water are products. In photosynthesis, chlorophyll, water, and carbon dioxide are reactants. G3P and oxygen are products. In photosynthesis, water, carbon dioxide, ATP, and NADPH are reactants. RuBP and oxygen are products. In photosynthesis, water and carbon dioxide are reactants. G3P and oxygen are products.arrow_forwardFigure 5.7 On a hot, dry day, plants close their stomata to conserve Water. What impact will this have on photosynthesis?arrow_forward
- What are the products of the light-dependent reactions of photosynthesis? Select all that apply. NADPH O2gas ATP Sugarsarrow_forwardDiscuss whether it would be more beneficial to improve the light or dark reactions in order to enhance photosynthesis for a future scenario of extreme drought conditions. Please draw sketches to illustrate and include atleast 20 pointsarrow_forwardKami upgnade captures energy from the sun and uses it to produce sugar and 1. The process of. oxygen from carbon dioxide and water. of plant cells. 2. Photosynthesis occurs in the 3. Chlorophyll is a that captures light. 4. The is used to pass excited electrons in the thylakoid membrane. 5. Carbon dioxide and water are in the process of photosynthesis. 6. Photosynthesis helps cycle and in living systems. 7. Vocabulary Write a short paragraph about photosynthesis using the terms plant, chloroplast, chlorophyll, pigment, sugar, oxygen, and sunlight. Ce %24 %6 & 3 4. 5n 6 7 8. 9. e y h k 0Oarrow_forward
- 1. Define energy and state where living things get the energy they need. 2. What is an autotroph? Give an example. 3. How does photosynthesis change energy? 4. How do heterotrophs obtain food? 5. What are the stages of photosynthesis? Which stage occurs first? 6. Describe the chloroplast and its role in photosynthesis. 7. Summarize what happens during the light reactions of photosynthesis.arrow_forwardWhat are the major outputs of photosynthesis? Select all that apply. O2 Sugars H2O CO2arrow_forwardA botanist has been examining three plants, measuring the amount of acid in their cells and examining sections of their leaves under the microscope. Numbers in the table are in relative units. Has wreath Plant Acid, day Acid, night FADH2 Ethanol anatomy? A 20 250 No 50 10 10 No 100 1 C 200 10 Yes 100 1 Part A: Identify the kind of photosynthesis being done by each plant. Explain how enzymes contribute to this data. Part B: Decipher the origin of each plant if one is from the Mojave Desert, one is from a sand dune in Florida, and one is from Minnesota, and explain how you deciphered this. BIU E E nswered 13 tv 吕0 F3 000 F2 F4arrow_forward
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