Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 6, Problem 2SQ
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 absorbs 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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Photosynthesis runs on the energy of_______ . a. light c. O2 b. hydrogen ions d. CO2
Photosynthesis provides the ________ needed by nearly all living things.
a.
ATP
b.
energized carbon
c.
oxygen
The light reactions of photosynthesis provide
A. RuBP
B. carbon dioxide
C. chemical energy
D. carbohydrate
E. ADP
Chapter 6 Solutions
Biology: The Unity and Diversity of Life
Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - Energy Efficiency of Biofuel Production Most of...Ch. 6 - A cat eats a bird, which ate a caterpillar that...Ch. 6 - Prob. 2SQCh. 6 - Most of the carbon dioxide that plants use for...Ch. 6 - Which of the following statements is incorrect? a....Ch. 6 - In cyanobacteria and photosynthetic eukaryotes,...Ch. 6 - When a photosystem absorbs light, _______. a....Ch. 6 - In the light-dependent reactions, _______. a....
Ch. 6 - In the light-dependent reactions, what accumulates...Ch. 6 - The atoms in oxygen molecules released during...Ch. 6 - Prob. 10SQCh. 6 - Prob. 11SQCh. 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 term with the best 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 - In 2005, a new species of green sulfur bacteria...
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- The main purpose of the light-independent reactions is to ________. a. convert solar energy to chemical energy b. convert solar energy to ATP for short-term energy use c. build carbohydrates for long-term energy storagearrow_forwardPhotosynthesis occurs inside the ________ of plants. a. chlorophyll b. mitochondria c. chloroplastarrow_forwardThe atoms in oxygen molecules released during photosynthesis come from_____ . a. sugars b. water c. O2 d. CO2arrow_forward
- The process of ________ requires carbon dioxide to begin. a. cellular respiration b. lactic acid fermentation c. photosynthesisarrow_forwardA. Highlight all the organisms that CAN do photosynthesis (you might need to google search what these are) Venus fly trap Mycorrhizal fungus Cyanobacteria Red algae Sponges Corn (Zea mays) B. Summarize the purpose of photosynthesis______ C. How could you tell or measure the rate of photosynthesis? ____ D. What is a redox reaction? ___ E. When the water molecule donates its electron to the chlorophyll molecule the water molecule was ______ while the chlorophyll was ______. F. When the carbon chain gains electrons from NADPH the carbon chain has been _____. G. Discuss how the chloroplast structure is arranged using the following terms (include picture too) chloroplast, thylakoid, stroma, chlorophyll, H. Light reaction and Calvin cycle: what is the overall purpose of each one?arrow_forward________ reactions of photosynthesis generate NADPH and ATP to carry solar energy. a. The light-independent b. The light-dependent c. Both the light-dependent and -independentarrow_forward
- PLANT CELLS ARE PROTECTED FROM THE HARMFUL EFFECTS OF EXCESSIVE LIGHT ENERGY AND REACTIVE OXIDATIVE MOLECULES BY__________ A.MITOCHONDRIA B. CHLOROPHYLL C. CAROTENOIDS D. ATParrow_forwardI need the answer as soon as possiblearrow_forwardThe overall process of photosynthesis a. results in the reduction of CO2 and the oxidation of H2O. b. results in the reduction of H2O and the oxidation of CO2. c. consumes O2 and produces CO2. d. produces O2 from CO2.arrow_forward
- Which molecule conveys protons from the chloroplast stroma into the thylakoid lumen? a. cytochrome b6-f b. plastocyanin c. phytochrome d. cytochrome c e. oxygenarrow_forwardWhich complex is not involved in the establishment of conditions for ATP synthesis? a. photosystem I b. ATP synthase c. photosystem II d. cytochrome complexarrow_forwardSelect the best answer describing the role of light in photosynthesis a.It is the source of respiration b.It is the source of carbon for the reaction c.It is the source of energy for the reaction d. all of thesearrow_forward
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