In Photosynthesis, where do the carbon atoms in glucose come from? a.carbon dioxide b.water...
Question:
In Photosynthesis, where do the carbon atoms in glucose come from?
a.carbon dioxide
b.water
c.NADPH
d.sunlight
Photosynthesis:
Photosynthesis is a process carried out by many autotrophs, predominantly green plants. It harnesses energy from visible light (sunlight) to produce molecules of the carbohydrate glucose. This glucose can then be used for structural molecules or broken down for energy.
Answer and Explanation: 1
Become a Study.com member to unlock this answer! Create your account
View this answerThe correct answer is (a) carbon dioxide. Photosynthesis is a process which "fixes" carbon dioxide, converting it into biologically...
See full answer below.
Ask a question
Our experts can answer your tough homework and study questions.
Ask a question Ask a questionSearch Answers
Learn more about this topic:
Get access to this video and our entire Q&A library
Carbon Fixation in Photosynthesis: Definition & Reactions
from
Chapter 4 / Lesson 10
84K
Learn about carbon fixation in photosynthesis and what happens during carbon fixation. Discover where carbon fixation occurs in the cells and the chemical process.
Related to this Question
- Photosynthesis is the process where energy is collected and ______ is released. (a) carbon dioxide (b) glucose (c) oxygen (d) chloroplast.
- The oxygen released from photosynthesis comes from a. water b. RuBP c. glucose d. carbon dioxide e. Calvin cycle
- Photosynthesis is the process where energy is collected and what is released? A. Carbon Dioxide B. Glucose C. Oxygen D. Chloroplast
- In photosynthesis, what is the main purpose of the light reactions? a. To produce oxygen b. To produce sugars c. To produce NADPH and ATP d. To take in water e. To take in carbon dioxide
- In the Calvin cycle, where does the carbon come from to form glucose? a. from water b. from chlorophyll c. from ATP and NADPH d. from atmospheric CO 2 e. from enzymes
- The oxygen released from photosynthesis comes from: a. carbon dioxide b. RuBP c. glucose d. water.
- How is NADPH produced from glucose?
- During photosynthesis, A. light reactions produce sugar, while the Calvin cycle produces O2. B. light reactions produce NADPH and ATP, while the Calvin cycle produces sugar. C. light reactions photophosphorylate ADP, while the Calvin cycle produces ATP.
- Which one of these occurs during the light reactions of photosynthesis? a. carbon dioxide fixation b. g3P production c. NADPH production d. reduction in carbon dioxide
- Light-dependent photosynthetic reactions produce: a. Glucose, ATP, O 2 b. ATP, NADPH, H 2 O c. ATP, NADPH, CO 2 d. Glucose, ATP, CO 2 e. ATP, NADPH, O 2
- ATP and NADPH are crucial to photosynthesis occurring because: a. they provide the energy for the light-dependent reactions to occur b. they provide the energy to power the Calvin Cycle c. they are used to breakdown glucose d. they increase the rate of
- Carbon dioxide fixation in the Calvin Cycle occurs when CO2 combines with a. ATP. b. NADPH. c. G3P. d. RuBP.
- Which of the following is not produced in the light-dependent reactions of photosynthesis? A. NADPH B. sugars C. ATP D. oxygen
- The purpose of photosynthesis is to produce_____ , a form of potential chemical energy, which can then be converted to _____in respiration as another form of potential chemical energy. a. ATP, glucose b. ATP, NADPH c. Glucose, ATP d. Glucose, NADPH
- What is a reaction of photosynthesis that requires light called? Light energy is absorbed and converted to chemical energy in the form of ATP and NADPH.
- The light-dependent reactions of photosynthesis: a. do not really require light energy to occur. b. use ATP and NADPH to produce glucose. c. require the Calvin cycle. d. take place in the thylakoid membranes of the chloroplast.
- What happens in the light reactions of photosynthesis? How are ATP and NADPH produced?
- Which of the following are reactants of the light reactions of photosynthesis? A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. Oxygen
- The light reactions of photosynthesis yield three products. They are: a. O_2, NADPH, and ATP. b. CO_2, NADP^+, and ATP. c. O_2, NADP^+, and ATP. d. H_2O, NADPH, and ATP.
- Energy for the Calvin cycle is supplied by from the light reactions. a. carbon dioxide and water b. ATP and NADPH c. carbon dioxide and ATP d. ATP and water e. electrons and hydrogen ions
- The oxygen released in photosynthesis comes from : a. water. b. glucose. c. ribulose bisphosphate. d. carbon dioxide. e. atmospheric oxygen.
- In photosynthesis, how many molecules of carbon dioxide, ATP, and NADPH are needed to form two molecules of glucose? a. 12, 36, and 24 b. 6, 18, and 12 c. 24, 18, and 24 d. 26, 18, and 24 e. 3, 9, and 6
- The production of the light-dependent reactions [{Blank}]are used in the light dependent reaction A. Carbon dioxide B. ATP and NADPH C. glucose D. sunlight
- The electrons that are excited by light energy in photosystems II and I are eventually used to: a. breakdown RuBP b. convert glucose to carbon dioxide c. breakdown starch into glucose d. reduce NADP+ to NADPH
- Describe how the light reactions of photosynthesis produce ATP and NADPH.
- The primary function of the light dependent reactions of photosynthesis is to a. produce carbon dioxide b. use ATP to make glucose c. convert light energy to glucose d. produce energy rich ATP and NADPH e. produce energy rich glucose from carbon dioxide a
- The oxygen released in photosynthesis comes from: a. carbon dioxide. b. glucose. c. ribulose bisphosphate. d. water. e. atmospheric oxygen.
- The output of the Calvin cycle that is used to generate carbohydrates is a. NADPH. b. CO2. c. G3P. d. RuBP.
- The set of reactions that used NADPH and ATP formed in the light-capturing reactions to drive into the fixation of CO 2 a.) autotrophs b.) Calvin Cycle c.) carotenoids d.) chlorophyll e.) heterotrophs f.) NADP+/NADPH g.) photons h.) photosystem i
- ATP is produced during the light reactions of photosynthesis. This ATP is used to in the Calvin Cycle. a. split water into oxygen gas and hydrogen b. produce NADP c. reduce carbon dioxide into glucose d. None of these are correct
- Fill in the blank: In the light-dependent reactions of photosynthesis, NADP^+ gets its electrons to become NADPH from.
- Photosystem I and photosystem II take place during which part of photosynthesis? a. light-dependent reaction b. carbon fixation reaction c. CAM pathway d. Calvin cycle e. oxidative phosphorylation
- The oxygen molecule in glucose formed during photosynthesis comes from: a. Water b. Organic acids c. CO_2 d. Atmospheric gases e. Oxygen produced in the chloroplasts.
- Which of the following are produced when Hydrogen ions diffuse from the lumen of the Thylakoid to the Stoma? a) ATP b) NADPH c) Carbon Dioxide d) Glucose e) G3P.
- Plants perform cellular respiration to produce: a. ATP. b. NADPH. c. Sugar. d. Oxygen.
- Describe how ATP and NADPH are produced during the light-capturing reactions of photosynthesis.
- PGAL molecules are formed from the reaction of PGA molecules with ATP and NADPH in this pathway. a. light-dependent reactions b. CAM pathway c. carbon dioxide fixation d. Calvin-Benson cycle e. C4 pathway
- The light-harvesting reactions of photosynthesis: a. use H2O as the initial electron donor. b. occur in the stroma in the chloroplasts. c. utilize the ATP and NADPH produced by the CO2-fixation reactions. d. all of the above e. a and b, but not c
- Which of the following are products of the light reactions of photosynthesis? A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. Oxygen
- In photolysis, some of the energy captured by chlorophyll is used to split (a) CO2 (b) ATP (c) NADPH (d) H2O (e) both b and c
- The Oxygen released during Photosynthesis comes from the breakdown of which of the following? a) Carbon Dioxide b) Glucose c) Water d) G3P e) RuBP.
- What are the reactants of photosynthesis? a. Carbon dioxide + glucose b. Carbon dioxide + water + light energy c. Water + light energy + glucose d. Glucose + oxygen
- In photosynthetic cells, the synthesis of ATP by the chemiosmotic mechanism occurs during ________. (a) photosynthesis only. (b) respiration only. (c) both photosynthesis and respiration. (d) neither photosynthesis nor respiration. (e) photorespiration...
- Photosynthesis is the process by which: a. glucose and other molecules are broken down. b. glucose is synthesized. c. carbon dioxide is synthesized. d. plants burn energy.
- The light reaction of photosynthesis occurs in the: a. thylakoid membranes b. stroma c. cytoplasm d. matrix
- During the light-dependent reactions of photosynthesis,: a. carbon dioxide is split into oxygen, carbon, electrons, and protons b. NADP+is reduced to NADPH c. enough ATP molecules are synthesized to power all other cellular functions d. electrons pass thr
- How are ATP, ADP, NADP+, and NADPH cycle in photosynthesis?
- O_2 released in the process of photosynthesis comes from _______. (a) CO_2 (b) water (c) sugar (d) pyruvic acid.
- Carbon fixation: A. converts ribulose to glucose. B. occurs in the thylakoid interior. C. converts sugars to acids. D. releases oxygen to the atmosphere.
- If the energy source for the light-dependent reaction of photosynthesis is sunlight, what energy is needed to fuel the carbon fixation reaction? a. ADP b. sunlight c. C o 2 d. ATP and NADPH e. ATP synthase
- O_2 released in the process of photosynthesis comes from A. carbon dioxide B. water C. sugar D. pyruvic acid
- In photosynthesis, ATP is made by 1) chemiosmosis. 2) glycolysis. 3) the Krebs cycle. 4) the Calvin cycle. 5) the passing of electrons from photosystem.
- The energy to power the Calvin cycle comes from: a. cellular respiration. b. oxygen. c. the light reactions of photosynthesis.
- Photosynthesis is the process by which: a. carbon dioxide is synthesized. b. glucose is synthesized. c. plants burn energy. d. glucose and other molecules are broken down.
- What is the source of carbon for making glucose in photosynthesis?
- The electrons for the reduction reaction in photosynthesis come from a. carbon dioxide b. water c. carbohydrate d. oxygen
- Glucose and oxygen, the what of photosynthesis, are the what of cellular respiration?
- The light independent reactions are important because they \\ A.make ATP and NADPH \\ B.convert CO2 into glucose \\ C.split H2O to harvest electrons \\ D.release O2
- The oxygen produced during photosynthesis comes from: a. water b. carbohydrates c. carbon dioxide d. the air plants take in e. the atmosphere
- How are ATP, ADP, NADP+, and NADPH cycled in photosynthesis?
- Photosynthesis and cellular respiration are very closely linked processes. Carbon dioxide and water, the what of photosynthesis, are the what of cellular respiration?
- The process of photosynthesis: a. breaks down sugars to create ATP. b. traps light energy in an energy carrier like ATP. c. produces carbon dioxide. d. occurs in some animal cells.
- Which of the following are inputs to the carbon reactions? a. Glucose and ATP b. Carbon dioxide and NADP+ c. Oxygen and water d. ATP and NADPH
- Photosynthesis is: a. not dependent on chlorophyll. b. a process that produces glucose and oxygen. c. a process that produces water and carbon dioxide.
- Which of the following are produced in the dark reactions? a. ATP, NADPH, oxygen, G3P b. ATP, NADPH, glucose, oxygen c. ADP, NADP+, G3P d. ADP, NADP+, G3P, oxygen e. ADP, NADP+, G3P, carbon dioxide
- What is ATP, NADPH and RUBP?
- During photosynthesis, which of the following happens? a. Carbon dioxide is reduced to glucose. b. Chloroplasts convert solar energy to ADP. c. Hydrogen atoms reduce water to glucose. d. Water is hydrolyzed.
- Which of the following are produced in the dark reactions? a. ATP, NADPH, Oxygen, G3P b. ATP, NADPH, Glucose, Oxygen c. ADP, NADP+, G3P d. ADP, NADP+, G3P, Carbon dioxide e. ADP, NADP+, G3P, Oxygen
- NADPH is formed when: a. it accepts high-energy electrons from an excited photosystem b. 2 molecules of ATP combine c. it can transfer electrons to a free quinone molecule d. electrons are absorbed by an oxygen molecule e. ATP is converted to ADP plus a f
- The purpose of chlorophyll is to: a. absorb light energy b. let CO2 enter the plant c. make ATP d. make NADPH
- During photosynthesis, oxygen is generated by the a. light reactions. b. Calvin cycle. c. light reactions and the Calvin cycle reactions. d. closing of stomata.
- Oxygen is released in photosynthesis by: a. Photophosphorylation b. Photolysis of water c. Photorespiration d. Photons
- What are the products of the light reactions that are subsequently used by the Calvin cycle? a. oxygen and carbon dioxide b. carbon dioxide and RuBP c. water and carbon d. electrons and photons e. ATP and NADPH
- In Photosynthesis, What is the light reaction stage,The dark reaction (Calvin Cycle) stage?
- The light reaction of photosynthesis does not include: a. chemiosmosis b. oxygen liberation c. glucose synthesis d. electron transport
- What is the primary purpose of the light reactions of photosynthesis? a. to product glucose b. to release electrons needed to convert solar energy to chemical energy such as ATP c. to create oxygen gas d. to remove carbon dioxide gas from the atmosphere
- What are the products of the light-dependent reactions? A. ATP, carbon dioxide gas, and NADPH. B, ATP, NADPH, and oxygen gas. C. Oxygen gas and glucose. D. Carbon dioxide gas, oxygen gas, and NADPH.
- In photosynthesis, the energy comes from ______ and goes into __________.
- During photosynthesis, electrons from the reaction center chlorophyll are transferred to the electron transport system. These electrons are replaced by the splitting of molecules. a. carbon dioxide b. ATP c. water d. glucose
- What are the products of the light-dependent reactions? A. ATP, NADPH, and oxygen gas B. ATP, carbon dioxide gas, and NADPH C. carbon dioxide gas, oxygen gas, and NADPH D. oxygen gas and glucose
- Fill in the blank. Light-dependent reactions build NADPH and oxygen by _________.
- In light-dependent reactions, what accumulates in the thylakoid compartment of chloroplasts? a. sugars b. hydrogen ions c. O2 d. CO2
- What is the role of NADP+ in photosynthesis? a) It forms NADPH to be used in the Calvin cycle. b) It forms part of photosystem II. c) It helps produce ATP from light reactions. d) It absorbs light energy. e) It is the primary electron acceptor.
- The oxygen given off as a product of photosynthesis comes from: a. water molecules b. carbon dioxide molecules c. the ozone layer d. glucose
- O_2 released in the process of photosynthesis comes from {Blank}. A. CO_2 B. water C. sugar D. pyruvic acid
- Which does not occur in the light-independent reactions? a. The 6-carbon molecule immediately divides into two 3-carbon molecules of glyceraldehyde-3-phosphate. b. Hydrogens from NADPH are transferred to molecules in the Calvin cycle. c. The 5-carbon ribu
- How are the light-capturing and Calvin cycle parts of photosynthesis coupled?
- Which reactant in the photosynthesis equation is used directly to make sugar? A. Carbon dioxide B. Light energy C. Water D. Chlorophyll
- The light reactions occur in the [{Blank}] with [{Blank}] as a reactant. a. thylakoid membrane; water b. stroma; oxygen c. chlorophyll; carbon dioxide d. chloroplasts; glucose
- Which of the following are products of the dark (light independent, Calvin cycle) reactions of photosynthesis? A. Glucose B. Water C. ATP D. NADP E. Light energy F. NADPH G. Carbon dioxide H. Oxygen
- Briefly explain the role of NADPH in photosynthesis.
- The products of cellular respiration are: a. glucose and ATP b. oxygen, carbon dioxide, and water c. NADPH and oxygen d. energy, carbon dioxide, and water
- All of the following statements regarding photosynthesis are true, except: A. The Calvin Cycle, where glucose is produced from CO2, requires light B. Photosynthesis is a net endergonic reaction C. Photosynthesis is an anabolic process D. Photosynthesis re
- During which portion of photosynthesis is glucose formed?
- Glucose is a product of photosynthesis. Give three uses which green plants make of glucose.
- Describe the role of NADPH in the process of photosynthesis.
- The main product of the carbon reactions is: a. carbon dioxide. b. NADPH. c. oxygen. d. a carbohydrate. e. ATP.
- Trace the flow of carbon within the process of photosynthesis. Be sure to include the following terms in your description: Glucose, NADPH, ATP, Calvin cycle, RUBISCO, CO_2.
- Trace the flow of carbon within the process of photosynthesis. Be sure to include the following terms in your description: Glucose, NADPH, ATP, Calvin cycle, RUBISCO, CO2.
- Trace the flow of carbon within the process of photosynthesis. Include the following terms in your description: Glucose, NADPH, ATP, Calvin cycle, RUBISCO, CO2.
Explore our homework questions and answers library
Browse
by subject