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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 7RQ
Which statement about thylakoids in eukaryotes is not correct?
- Thylakoids are assembled into stacks
- Thylakoids exist as a maze of folded membranes
- The space surrounding thylakoids is called stroma
- Thylakoids contain chlorophyll.
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Chlorophyll is composed of a central porphyrin ring and a strongly hydrophobic phytol side chain. Which of the following correctly describes the function of the phytol side chain?
absorbs visible light
energizes an electron
anchors the chlorophyll in the thylakoid membrane
creates fluorescence
Inside the thylakoid is a fluid-filled space called
Carotenoids Chlorophyll Phycobilin c
______________are pigments in the plants chloroplasts that helps in trapping the sunlight. There are different pigments that are found in photosynthetic organisms. Chlorophyll a and b are mostly found in plants. Meanwhile, chlorophyll ___, is found on most microorganisms. There are other pigments that can be found in photosynthetic organisms which help in absorbing a different spectrum of visible light such as, _________________ that usually gives the yellow-orange-red colors of leaves in the autumn, and ___________________, that is water-soluble and are present among cyanobacteria and red algae.
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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- A prokaryote converts food energy into the chemical energy of ATP on/in its: chromosome. flagella. ribosomes. cell wall. plasma membrane.arrow_forwardCatalase combines two hydrogen peroxide molecules (H2O2+H2O2) to make two molecules of water. A gas also forms. What is the gas?arrow_forwardDefine thylakoids.arrow_forward
- The inside of the thylakoid is called the ______ and the outside is called the ______arrow_forwardWhat is the function of heterocysts? Heterocysts are cells in which both photosynthesis and nitrogen fixation occurs. Heterocysts are survival structures, similar to bacterial endospores. Heterocysts are specialized cells that fix nitrogen. Heterocysts are cells in which glucose is synthesized.arrow_forwardWhich of the following is NOT true about chemoheterotrophs? Which of the following is NOT true about chemoheterotrophs? Use organic compounds as a source of both carbon and energy Can use light for energy and CO2 as a source of carbon Oxidize organic compounds (e.g., glucose) to generate ATP They are ultimately dependent on autotrophs to provide their carbon and energy None of the other four answers (all are true of chemoheterotrophs)arrow_forward
- Compare photo litho autotrophy with chemo-organo heterotrophy. Sun light is the ultimate source of energy and all living organisms obtain their energy directly or indirectly from the sun. However in deep-sea vents (where there is no sun light) life has originated and the many groups of microorganisms are flourishing in such environment. How? Explain your reasoningarrow_forwardWhich of the following happens in presence of toxin that causes outer chloroplast membrane to be less permeable to H2O? increase in amount of O2 produced decreased O2 produced carbohydrate synthesis in chloroplast would increase cytoplasm of plant cells would become hypertonic synthesis of ATP in chloroplast would increasearrow_forwardWhich of the following is an organism that obtains its energy from the transfer of electrons originating from chemical compounds and its carbon from an inorganic source such as CO2? photoautotroph Chemoheterotroph Chemoautotroph Photoheterotropharrow_forward
- Label the following structure/s: (Figure 1) Hydrilla leaf cells, identify the semi-rigid cell wall, chloroplasts, and cytoplasm.arrow_forwardHeterotrophs Group of answer choices cannot produce their own organic molecules (such as sugars) directly. include all plants but only some animals. can convert inorganic molecules such as CO2 into organic molecules. undergo photosythesis but do not undergo cellular respiration.arrow_forwardEvidence indicating the chloroplasts were originally free-living prokaryotes that subsequently evolved a symbiotic relationship with a eukaryotic host includes all of the following except: Ability of chloroplasts to synthesize all their own proteins Presence of circular DNA in chloroplasts and in free-living prokaryotes Similarities of rRNA sequences between chloroplasts and free-living prokaryotes Similarities of structures between chloroplasts and some contemporary free-living prokaryotes Carrow_forward
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