Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 6, Problem 5SQ
Summary Introduction
Introduction:
The process of conversion of light energy to chemical energy occurs in two phases of reactions, that is, light-dependent reaction and light-independent reaction. In photosynthesis, the two photosystems absorb light, which in turn stimulates an electron molecule to a higher-energy state, transforming the energy of sunlight to chemical energy.
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Students have asked these similar questions
In cyanobacteria and photosynthetic eukaryotes, the light-dependent reactions proceed in/at the______ . a. thylakoid membrane c. stroma b. plasma membrane d. cytoplasm
a.) Are there chloroplast in guard cells?
b.) How do the guard cells function?
c.) What photosynthetic reaction occur in chloroplast?
The 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 NADPH
Chapter 6 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 6 - A cat eats a bird, which ate a caterpillar that...Ch. 6 - Plants use__________ as an energy source to drive...Ch. 6 - Most of the carbon dioxide that plants use for...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - Prob. 5SQCh. 6 - When a photosystem absorbs light, __________. a....Ch. 6 - Prob. 7SQCh. 6 - What accumulates inside the thylakoid compartment...Ch. 6 - The atoms in the molecular oxygen released during...Ch. 6 - Prob. 10SQ
Ch. 6 - Prob. 1DAACh. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - The Calvin-Benson cycle starts when a. light is...Ch. 6 - Which of the following substances does not...Ch. 6 - Closed stomata ________. a. limit gas exchange b....Ch. 6 - In C3 plants, ______ makes sugar production...Ch. 6 - Match each with its most suitable description....Ch. 6 - Prob. 1CTCh. 6 - While gazing into an aquarium, you see bubbles...Ch. 6 - AC3 plant absorbs a carbon radioisotope (as part...Ch. 6 - As you learned in this chapter, cell membranes arc...
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- Some plants are able to survive in hot, dry climates like the desert. What is the name of their photosynthetic process? A. Noncyclic photophsophorylation B. C4 Photosynthesis C. C3 Photosynthesis D. Carbon fixationarrow_forwardFrom 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_forwardThe purpose of the light-dependent reactions of photosynthesis is to - a split water to form oxygen b join glucose molecules to form starch c uses energy molecules like ATP d produce sugarsarrow_forward
- In C3 plants, _______ makes sugar production inefficient when stomata close on hot, dry days. a. photosynthesis c. photorespiration b. photolysis d. carbon fixationarrow_forwardIn ________, electrons that have been energized by light contribute their energy to add phosphate to ADP, producing ATP. (a) crassulacean acid metabolism (b) the Calvin cycle (c) photorespiration (d) C4 pathways (e) photophosphorylationarrow_forwardHow are the NADPH and G3P molecules made during photosynthesis similar? a. They are both end products of photosynthesis. b. They are both substrates for photosynthesis. c. They are both produced from carbon dioxide. d. They both store energy in chemical bonds.arrow_forward
- Animal cells conduct: A. Cellular Respiration B. Photosynthesis C. Both Plant cells conduct: A. Cellular Respiration B. Photosynthesis C. Botharrow_forward1) A group of unspecialized embryonic cells is transplanted from a leg bud to a wing bud in a chick embryos and develops into toes. Which term best describes this phenomenon? A) Differentiation B) Determination C) Induction D) Pattern formation 2) All of the following occur in the light reactions of photosynthesis except the A) Utilization of photons B) Formation of ADP molecules C) Formation of O2 molecules D) Oxidation of water moleculesarrow_forwardWhat is the difference between the cyclic and noncyclic pathways of photosynthesis? a The cyclic pathway uses electron transport. b The cyclic pathway is light-dependent. c The noncyclic pathway produces NAPDH. d The noncyclic pathway produces ATP.arrow_forward
- When oxygen gas is released as a result of photosynthesis, it is a direct byproduct of what process? a. splitting of water molecules b. the electron transfer system in the photosystems c. chemiosmosis d. reducing of NADP+arrow_forwardLight is needed for photosynthesis, because it A. Provides energy, which is converted to chemical energy b. Provides, heat energy, which is converted to chemical energy c. Directly causes ATP production d. Brings water into the chloroplast e. Drives many enzymatic reactionsarrow_forwardCarbon dioxide is required for which of the following processes in photosynthesis? a) the Calvin cycle b) the splitting of water c) the absorption of water d) the production of ATP e) the light reactionarrow_forward
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