Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 8.2, Problem 1LO
Summary Introduction
To describe: The experiments that support our understanding of photosynthesis.
Introduction: A plant is a multicellular organism in the kingdom Plantae. It uses photosynthesis to make its own food. Photosynthesis is a process by which green plants and certain other organisms transform light energy into chemical energy. Chlorophyll a is the primary pigment for the process of photosynthesis.
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What are the potential advantages of promoting artificial
photosynthesis research?
A: ATP
Cellular
respiration
Bwater and oxygen
MITOCHONDRION
(animal cell)
CHLOROPLAST
(plant cell
Examine the model depicting the relationship between photosynthesis and cellular respiration. Select ALL of th
choices that correctly pairs products and reactants with their place in the model.
Photosynthesis
In 1770, Joseph Priestley performed a series of experiments to determine the
reactants and products of photosynthesis. The diagram below shows the
experimental conditions and results of two experiments performed by Priestley,
named here as Experiment 1 and Experiment 2. From his experiments, Priestley
concluded that plants restore to the air whatever breathing animals and candles
remove.
Joseph Priestly Photosynthesis Experiments and Results
Experiment
Results:
- candle extinguished (went out)
1
- mouse died
Experiment
2
Results:
candle continued to burn
mouse stayed alive
Note: Experiment 1 and Experiment 2 were both performed in the presence of
sunlight.
The substance produced by the plant in Experiment 2, that keeps the candle
burning and the mouse alive is
O CO2
O 02
O H2O
O C6H1206
Chapter 8 Solutions
Biology
Ch. 8.1 - Prob. 1LOCh. 8.1 - Prob. 2LOCh. 8.2 - Prob. 1LOCh. 8.2 - Differentiate between the light-dependent and...Ch. 8.3 - Discuss how pigments are important to...Ch. 8.3 - Prob. 2LOCh. 8.4 - Prob. 1LOCh. 8.4 - Prob. 2LOCh. 8.5 - Prob. 1LOCh. 8.5 - Prob. 2LO
Ch. 8.6 - Describe carbon fixation.Ch. 8.6 - Prob. 2LOCh. 8.7 - Prob. 1LOCh. 8.7 - Prob. 2LOCh. 8 - Prob. 1DACh. 8 - Prob. 2DACh. 8 - Prob. 3DACh. 8 - The light-dependent reactions of photosynthesis...Ch. 8 - Which region of a chloroplast is associated with...Ch. 8 - The colors of light that are most effective for...Ch. 8 - During noncyclic photosynthesis, photosystem I...Ch. 8 - How is a reaction center pigment in a photosystem...Ch. 8 - The ATP and NADPH from the light reactions are...Ch. 8 - The carbon fixation reaction converts a. inorganic...Ch. 8 - Prob. 8UCh. 8 - Prob. 1ACh. 8 - If you could measure pH within a chloroplast,...Ch. 8 - Prob. 3ACh. 8 - If the Calvin cycle runs through six turns a. all...Ch. 8 - Prob. 5ACh. 8 - Given that the C4 pathway gets around the problems...Ch. 8 - If the thylakoid membrane became leaky to ions,...Ch. 8 - The overall process of photosynthesis a. results...Ch. 8 - Compare and contrast the fixation of carbon in C3,...Ch. 8 - Diagram the relationship between the reactants and...Ch. 8 - Do plant cells need mitochondria? Explain your...
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- From a plant's perspective, the main purpose of photosynthesis is to Group of answer choices a)to produce sugars and oxygen for heterotrophs. b)plants are not cognitive organisms and therefore we have no idea what the "purpose" of photosynthesis is for the plant. c)to produce enough O2 gas for the plant to survive through the night. d)make sugars, such as glucose, to use for building cell walls and for energy needed by the plant.arrow_forwardDemonstrate an experiment to show light is necessary for photosynthesis.arrow_forwardExplain in detail the role and importance of photosynthesis to life on this planet. Include what the inputs and outputs of the process are.arrow_forward
- Q) Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants.arrow_forwardQ)Start with a photon of sunlight and a carbon atom in a molecule of carbon dioxide in the atmosphere: model/diagram their pathway from that starting point to their final destination as a glucose molecule that is used for energy in a cell in the plant root. Following your diagram/model, provide a written explanation for what your diagram/model depicts. Make sure both your model and explanation are clear, concise, and have the appropriate level of detail to clearly demonstrate you understand photosynthesis, cellular respiration, and the movement of mass and energy in plants. NOTE- include the steps of photosynthesis (light-dependent reactions, ETC, Calvin cycle) and the inputs and outputs at each. Then, need to explain how sugar gets transported from the leaf to be used in cell respiration in the root. Then need to diagram cell respiration, including each stage and the inputs and outputs.arrow_forwardWhy do we need to understand photosynthesis?arrow_forward
- describe why photosynthesis and cellular respiration are considered complementary processes.arrow_forwardConsider the diversity of oxygenic and anoxygenic photosynthesis in bacteria: a. Which group(s) of bacteria carry out oxygenic photosynthesis? b. Which group(s) of bacteria carry out anoxygenic photosynthesis?arrow_forwardDescribe a technique for measuring photosynthetic rate.arrow_forward
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