Bio 121 Campbell Biology Truman College
17th Edition
ISBN: 9781323670637
Author: Urry, Cain
Publisher: PEARSON
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Chapter 10, Problem 10.5CR
Explain how all life depends on photosynthsis.
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Describe the role of ADPH in photosyntesis
What are the major outputs of photosynthesis? Select all that apply.
O2
Sugars
H2O
CO2
Photosystems are essential to the light reactions. Which of the following is true
about photosystems? *
Photosystems are embedded within membranes, across which they create a proton
gradient.
Photosystems work together to absorb light over a larger surface area than could be
possible from just one pigment molecule working alone.
O Photosystems are composed of proteins and pigment molecules.
All of the above
Chapter 10 Solutions
Bio 121 Campbell Biology Truman College
Ch. 10.1 - Prob. 1CCCh. 10.1 - Explain how the use of an oxygen isotope helped...Ch. 10.1 - WHAT IF? The Calvin cycle requires ATP and NADPH,...Ch. 10.2 - What color of light is least effective in driving...Ch. 10.2 - In the light reactions, what is the initial...Ch. 10.2 - Prob. 3CCCh. 10.3 - To synthesize one glucose molecule, the Calvin...Ch. 10.3 - How are the large numbers of ATP and NADPH...Ch. 10.3 - Prob. 3CCCh. 10.3 - DRAW IT Redraw the cycle in Figure 10.19 using...
Ch. 10.3 - Prob. 5CCCh. 10.4 - Describe how photorespiration lowers...Ch. 10.4 - The presence of only PS I, not PS II, in the...Ch. 10.4 - MAKE CONNECTIONS Refer to the discussion of ocean...Ch. 10.4 - WHAT IF? How would you expect the relative...Ch. 10.5 - MAKE CONNECTIONS Can plants use the sugar they...Ch. 10 - Compare the roles of CO2 and H2O in cellular...Ch. 10 - The absorption spectrum of chlorophyll a differs...Ch. 10 - Prob. 10.3CRCh. 10 - Why are C4 and CAM photosynthesis more...Ch. 10 - Explain how all life depends on photosynthsis.Ch. 10 - The light reactions of photosynthesis supply the...Ch. 10 - Which of the following sequences correctly...Ch. 10 - How is photosynthesis similar in C4 plants and CAM...Ch. 10 - Prob. 4TYUCh. 10 - Prob. 5TYUCh. 10 - In mechanism, photophosphorylation is most similar...Ch. 10 - Prob. 7TYUCh. 10 - Prob. 8TYUCh. 10 - EVOLUTION CONNECTION Photorespiration can decrease...Ch. 10 - SCIENTIFIC INQUIRY MAKE CONNECTIONS The following...Ch. 10 - WRITE ABOUT A THEME: ENERGY AND MATTER Life is...Ch. 10 - SYNTHESIZE YOUR KNOWLEDGE Watennelon snow in...
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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?arrow_forwardWhat are the products of the light-dependent reactions of photosynthesis? Select all that apply. NADPH O2gas ATP Sugarsarrow_forwardWhich of the following statements about the light reactions of photosynthesis is NOT true? Chlorophyll and other pigments absorb light energy, which excites electrons ATP is generated by photophosphorylation Electrons from water are given to the chlorophyll molecules of Photosystem! The splitting of water molecules provides a source of electronsarrow_forward
- What happened during the light reaction of the photosystem, use terms such as photosystems (be specific about which is which), pigments, reaction center, water-splitting, NADPH, ATP, ADP, NADP+, oxygen, gas etc.arrow_forwardOutline the process of light dependent reactions capturing and converting light energy for photosynthesis.arrow_forwardThere are three major resources (and several others in smaller quantities) that are required by the photosynthetic process. Which one of the following is NOT one of those three resources? CO2 nitrogen sunlight H2Oarrow_forward
- Which stage of the light-dependent reactions of photosynthesis is linked to photosystem I? ATP synthase phosphorylates ADP, forming ATP in the stroma. Hydrogen ions in the thylakoid compartment follow their gradient and flow through ATP synthases. Electrons from the photosystem move through an electron transport chain to form NADPH. The photosystem pulls replacement electrons from water molecules breaking the molecules into oxygen atoms and hydrogen ions.arrow_forwardExplain how all life depends on photosynthesis.arrow_forwardDescribe the whole process of photosynthesis.arrow_forward
- Identify a reactant in the light reaction of photosynthesis. carbon dioxide ATP H2O O NADPH oxygenarrow_forwardPhotosynthesis generally takes place in which parts of the plant? Steam and leaf Leaf and other chloroplast bearing plants Bark and leaf Roots and chloroplast bearing plantsarrow_forwardWhat are the products of the light-dependent reactions of photosynthesis? 1) production of ATP, oxygen, and NADPH O 2) production of ATP, water, and NADH 3) regeneration of NAD+ O 4) Production of G3P and ATP O 5) production of oxygen and NAD+arrow_forward
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