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 19RQ
Which statement correctly describes carbon fixation?
- the conversion of CO2 into an organic compound
- the use of RuBisCO to form 3-PGA
- the production of carbohydrate molecules from G3P
- the formation of RuBP from G3P molecules
- the use of ATP and NADPH to reduce CO2
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Which molecule provides the source of carbon to make sugar through photosynthesis?
fats
carbohydrates
proteins
carbon dioxide
Photosynthesis is the process of
breaking down glucose to produce ATP to fuel activities that occur in living things.
producing glucose by fixing atmospheric carbon to broken down water molecules using energy from the sun.
catalyzing chemical reactions at a cellular level to speed up bodily functions.
Which statement about NADH is true?
It only functions in photosynthesis.
It is a key electron carrier in redox reactions.
It does not carry electrons.
It binds with an acetyl group to form acetyl CoA.
It is not involved in cellular respiration.
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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- Is the following statement true or false? Unlike animals, which make many ATP by aerobic respiration, plants make all of their ATP by photosynthesis.arrow_forwardWhat two products result from photosynthesis? a. water and carbon dioxide b. water and oxygen c. glucose and oxygen d. glucose and carbon dioxidearrow_forwardWhich molecule absorbs the energy of a photon in photosynthesis? a. ATP b. glucose c. chlorophyll d. waterarrow_forward
- What is the energy of a photon first used to do in photosynthesis? a. split a water molecule b. energize an electron c. produce ATP d. synthesize glucosearrow_forwardPlants use__________ as an energy source to drive photosynthesis. a. sunlight b. hydrogen ions c. O2 d. CO2arrow_forwardThe map below shows the availability of direct solar energy in North America. Some areas are good candidates for solar heating systems and use of solar cells to produce electricity (see legend). What is the potential for using more solar energy where you live?arrow_forward
- The basic raw materials for photosynthesis are: sugar and carbon dioxide. water and carbon dioxide. oxygen and water. sugar and water. oxygen and carbon dioxidearrow_forwardWhich correctly describes the tole of rubisco in the Calvin cycle? rubisco uses NADPH to reduce 3-phoshoglycerate toa 3-carbon sugar NOne of the other answers are correct Rubisco uses ATP to regenerate RuBP Rubisco incorporated CO2 fromteh atmosphere into an organic moleculearrow_forwardWhich of the following is FALSE about photosynthesis? Group of answer choices: -Organisms that can utilize light energy as a food source are called autotrophs. -Photosynthesis occurs in the chloroplasts. -The light phase of photosynthesis produces ATP and NADH. -Carbohydrates, with the aid of energy and reducing power produced from the light phase, are synthesized from carbon dioxide and water.arrow_forward
- The stored energy in ATP and NADPH is then used later in photosynthesis to build one molecule of_________from six molecules of CO2.arrow_forwardWhich is the fuel of the electron transport chain? a) acetyl CoA b) FAD c) Carbon dioxide d) NADHarrow_forwardTRUE OR FALSE Besides oxygen, plants need water and carbon dioxide for photosynthesis. Plants require oxygen for cellular respiration. Land plants evolved with structures that promote water loss. Plants usually take in water and minerals through their leaves.arrow_forward
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