Microbiology: A Systems Approach
4th Edition
ISBN: 9780073402437
Author: Marjorie Kelly Cowan Professor
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 24, Problem 10MCQ
Recent studies reveal that
- a. 100% of photosynthesis is accomplished by plants.
- b. viruses may well augment bacterial photosynthesis.
- c. the sun is not the only source of energy for photosynthesis.
- d. None of the above are true.
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Students have asked these similar questions
Which of the following options best explains how less chlorophyll would affect the proces of
photosynthesis in plants?
6.
A. It would increase the rate of photosynthesis because of the increased production of food.
B. It would limit the amount water plants are able to take in, resulting in a slower rate of
photosynthesis.
C. It would increase the production of oxygen because the plant would need to work hard to
feed themselves.
С.
D. It would limit the amount of light absorbed by the plant and decrease the amount of food
the plant is able to produce for itself.
Identify which of the following statements is a lie?
Select one:
a. Even if plants have red leaves, they still perform photosynthesis.
b. Photosynthesis is vital in plants to produce food and energy they need for growth and cellular respiration. Therefore, all plants need the same amount of sunlight to make enough food to grow.
c. Aside from chlorophyll α and chlorophyll b in plants, plants also have carotenoids, which help plants absorb light energy for use in photosynthesis.
Photosynthesis
A. is the only energy-generating pathway for plants, cyanobacteria, and algae.
B. consist two stages: light-dependent stage which fix CO₂, light-independent stage which generate glucose.
C. can capture and convert energy from light to chemical energy in the form of ATP and NADPH.
D. oxidize organic carbon molecule to CO₂, while reduce water to oxygen.
Chapter 24 Solutions
Microbiology: A Systems Approach
Ch. 24.1 - Prob. 2CFCh. 24.1 - Define microbial ecology.Ch. 24.1 - Summarize why our view of the abundance of...Ch. 24.1 - Prob. 3AYPCh. 24.1 - Prob. 4AYPCh. 24.1 - Prob. 5AYPCh. 24.1 - Prob. 6AYPCh. 24.2 - List five important elements of biogeochemical...Ch. 24.2 - Diagram a carbon cycle.Ch. 24.2 - Prob. 9AYP
Ch. 24.2 - Prob. 10AYPCh. 24.2 - Describe the process of nitrogen fixation, and...Ch. 24.3 - Prob. 12AYPCh. 24.3 - Prob. 13AYPCh. 24.3 - Prob. 14AYPCh. 24.3 - Prob. 15AYPCh. 24.3 - Prob. 16AYPCh. 24.3 - Prob. 17AYPCh. 24.3 - Prob. 18AYPCh. 24 - Prob. 1CFCh. 24 - Which of the following is not a major subdivision...Ch. 24 - Prob. 2MCQCh. 24 - Prob. 3MCQCh. 24 - Prob. 4MCQCh. 24 - Root nodules contain ______, which can ________....Ch. 24 - Prob. 6MCQCh. 24 - Prob. 7MCQCh. 24 - Prob. 8MCQCh. 24 - Prob. 9MCQCh. 24 - Recent studies reveal that a. 100% of...Ch. 24 - Prob. 11TFCh. 24 - Prob. 12TFCh. 24 - Prob. 13TFCh. 24 - Prob. 14TFCh. 24 - Prob. 15TFCh. 24 - Prob. 1CTQCh. 24 - Prob. 2CTQCh. 24 - a. Outline the general characteristics of a...Ch. 24 - Prob. 4CTQCh. 24 - Summarize the role microbes play in the cycling of...Ch. 24 - Prob. 6CTQCh. 24 - Prob. 7CTQCh. 24 - Prob. 8CTQCh. 24 - Prob. 9CTQCh. 24 - PCBs are human-made pollutants that are not...Ch. 24 - Prob. 1CCCh. 24 - Prob. 2CCCh. 24 - Prob. 3CCCh. 24 - Prob. 4CCCh. 24 - Prob. 1VCCh. 24 - From chapter 8, figure 8.24. What process does...Ch. 24 - Prob. 1CM
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- Which of the following is true of light-independent reactions of photosynthesis? Select all that apply. a. Light-independent reactions occur in the stroma. b. Water molecules are split during light-independent reactions. c. Chlorophyll absorbs energy from sunlight. d. Carbon dioxide is necessary for light-independent reactions.arrow_forwardChloroplasts absorb light energy. The function of the chloroplast is to a. transform sugar into cellular energy. b. sythesize sugars. c. transform proteins into useful nutrients. d. sythesize protiens.arrow_forwardThe light dependent reactions of photosynthesis are characterized by A. oxidation of carbon dioxide, release of oxygen, synthesis of glucose. B. release of oxygen, fixation of carbon dioxide, hydrolysis of ATP. C. oxidation of water, reduction of NADP+ , hydrolysis of ATP. D. reduction of oxygen, oxidation of NADPH, formation of ATP. E. oxidation of water, reduction of NADP+ , formation of ATP.arrow_forward
- Define the following terms: a. photosynthesis b. thylakoid membrane c. MAP d. IFT e. polycystic kidney diseasearrow_forwardPhotosynthesis involves the movement of electrons. Which of the following sequences correctly represents the flow of electrons during photosynthesis? A. H20 > NADPH > G3P B. H2O > G3P > 02 C. C02 > NADPH > 02 D. CO2 > ATP > G3Parrow_forwardThe C4 photosynthetic pathway A. Is always more efficient than any other type of photosynthesis B. Temporally separates the light reaction and the Calvin cycle C. Allows plants to photosynthesize more efficiently in high light environments D. Is found most often in cactiarrow_forward
- Which of the following changes would decrease ATP production in the light-dependent reactions of photosynthesis? a. decreasing the pH of the thylakoid lumen b. decreasing the pH of the chloroplast stroma c. increasing the concentration of NADP+ in the chloroplast stroma d. making the thylakoid membrane freely permeable to protons by adding a proton channel e. two of the above would decrease ATP productionarrow_forwardThe role of photosystem 1 and photosystem 2 in the process of photosynthesis is to a. absorb sunlight and distribute the energy as heat b. absorb sunlight and transfer the energy to electrons c. form ATP as hydrogen ions cross the thylakoid membrane d. transfer electrons to form NADPHarrow_forwardWhen discussing the graph, the narrator describes a point at which the rate of photosynthesis levels off and mentions factors that might have prevented further increases in the rate of photosynthesis. What are the correct terms for this point and these factors? Select one or more: a. saturation point, limiting factors b. saturation point, restricting factors c. plateau point, restricting factors d. plateau point, limiting factorsarrow_forward
- Both temperature and light intensity can affect the rate of photosynthesis. However, in this study, the investigator kept the temperature constant and only studied how changes in light intensity affected the rate of photosynthesis, Which of the following best explains the investigator's decision to only study light intensity? Select one or more: a. It is easier to control light intensity than it is to regulate temperature, therefore the investigator chose to measure only light intensity b. Light intensity affects the rate of photosynthesis more than temperature, therefore the investigator chose to measure only light intensity c. none of the answers is correct d. If different light intensities and different temperatures had been studied at the same time, it would not be possible to know which of these factors affected the rate of photosynthesis.arrow_forwardIn measuring photosynthesis in crop species, you find that two species respond differently to a decrease in the concentration of O2 in the gas surrounding the leaf. One species (Species A) maintains a constant rate of photosynthesis in both high and low O2 concentration while the other exhibits a significant increase in photosynthesis in the low O2 environment. a. Propose a hypothesis to explain this observationb. b. Propose an experiment to test your hypothesis (assume you have access to any necessary tracers and lab facilities).arrow_forwardWhich of the following components is not used by both plants and cyanobacteria to carry out photosynthesis? a. chloroplasts b. chlorophyll c. carbon dioxide d. waterarrow_forward
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