Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 8, Problem 8RQ
Predict the end result if a chloroplast’s light-, independent enzymes developed a mutation that prevented them from activating in response to light
- GA3P accumulation
- ATP and NAD PH accumulation
- Water accumulation
- Carbon dioxide depletion
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Predict the end result if a chloroplast’s light-independent enzymes developed a mutation that prevented them from activating in response to light. a. G3P accumulation b. ATP and NADPH accumulation c. Water accumulation d. Carbon dioxide depletion
Consider the relationship between temperature and photosynthesis. As temperatures increase,gases such as CO2 diffuse faster. As a result, plant leaves will lose CO2 at a faster rate thannormal. If the amount of light reaching the leaf and the amount of water available are adequate,predict how this loss of gas will affect photosynthesis in the leaf.
Which is not a product of the light reaction of photosynthesis?a. NADPHB. NADHC. ATPD.O2
Chapter 8 Solutions
Biology 2e
Ch. 8 - Figure 8.6 On a hot, dry day, plants close their...Ch. 8 - Figure 8.16 What is the source of electrons for...Ch. 8 - Figure 8.18 Which of the following statements is...Ch. 8 - Which of the following components is nor used by...Ch. 8 - What two main products result from photosynthesis?...Ch. 8 - In which compartment of the plant cell do the...Ch. 8 - Which statement about thylakoids in eukaryotes is...Ch. 8 - Predict the end result if a chloroplast’s light-,...Ch. 8 - How are the NADPH and GA3P molecules made during...Ch. 8 - Which of the following structures is not a...
Ch. 8 - How many photons does it take to fully reduce, one...Ch. 8 - Which complex is not involved in the establishment...Ch. 8 - From which component of the light-dependent...Ch. 8 - Three of the same species of plant are each grown...Ch. 8 - Plants containing only chlorophyll b are exposed...Ch. 8 - Which molecule must enter the Calvin cycle...Ch. 8 - Which order of molecular conversions is correct...Ch. 8 - Where in eukaryotic cells does the Calvin cycle...Ch. 8 - Which statement correctly describes carbon...Ch. 8 - If four molecules of carbon dioxide enter the...Ch. 8 - What is the overall outcome of the light reactions...Ch. 8 - Why are carnivores, such as lions, dependent on...Ch. 8 - Why are energy carriers thought of as either...Ch. 8 - Describe how the grey wolf population would be...Ch. 8 - How does the closing of the stomata limit...Ch. 8 - Describe the pathway of electi on transfer from...Ch. 8 - What are the roles of ATP and NADPH in...Ch. 8 - How and why would the end products of...Ch. 8 - Why is the third stage of the Calvin cycle called...Ch. 8 - Which part of the light-independent reactions...Ch. 8 - Why does it take three turns of the Calvin cycle...Ch. 8 - Imagine a sealed terrarium containing a plant and...Ch. 8 - Compare the flow of energy with the flow of,...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
What two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxide
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Figure 8.6 On a hot, dry day, plants close their stomata to conserve water. What impact will this have on photosynthesis?
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Figure 5.7 On a hot, dry day, plants close their stomata to conserve Water. What impact will this have on photosynthesis?
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Match each term with its most suitable description. ____ PGAL formation a. absorbs light ____CO2 fixation b. converts light to chemical energy ____ autotroph c. self-feeder ____ ATP forms NADPH does not d. electrons cycle back to photosystem ____ photorespiration e. problem in C3 plants ____ photosynthesis f. Calvin-Benson cycle product ____ pigment g. water molecules split ____ photolysis in photosynthesis h. rubisco function
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Which molecule absorbs the energy of a photon in photosynthesis? a. ATP b. glucose c. chlorophyll d. water
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Is the following statement true or false? Unlike animals, which make many ATP by aerobic respiration, plants make all of their ATP by photosynthesis.
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Plants use__________ as an energy source to drive photosynthesis. a. sunlight b. hydrogen ions c. O2 d. CO2
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Which process is most directly driven by light energy?
A. ATP synthesis
B. reduction of NADP+ molecules
C. transfer of energy from pigment to pigment
D. creation of a pH gradient by pumping protons
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Which best describes cyclic photophosphorylation?
(a) it uses two photosystems (b) it produces water as a waste product (c) it produces oxygen as a waste product (d) it utilizes a single photosystem
(e) it uses substrate level phosphorylation to produce ATP
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Using the graph comparing photosynthetic rate and absorption of different wavelengths of light, what can be concluded?
a) The photosynthesis rate at 550 nm is the highest
b) Chlorophyll a absorbs wavelengths at both ends of the spectrum
c) Chlorophyll b is associated with the greatest rate of photosynthesis.
d) Carotenoids absorb the narrowest range of wavelengths of light
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Which is NOT an evolutionary adaptation of plants to minimize the costs of photorespiration while also conserving water on hot days?
a.
Use more ATP to incorporate CO2 into organic compounds, which increases CO2 concentration in the cell.
b.
Confine the Calvin cycle to specific cells in order to prevent inefficient rubisco binding and net energy loss.
c.
Binding O2 to rubisco instead of CO2.
d.
Uptake CO2 only at night and use ATP to fix it into organic acid for later use during the light reactions, which prevents water loss during the day.
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. Plants can harvest the energy from light, but also rely on light as a stimulus to control other processes. Briefly describe one example of how plants use light for something other than photosynthesis, including the processes, structures and/or molecules involved.
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Photosynthesis & Respiration | Reactions | Chemistry | FuseSchool; Author: FuseSchool - Global Education;https://www.youtube.com/watch?v=3XIyweZg6Sw;License: Standard YouTube License, CC-BY