Biology
12th Edition
ISBN: 9781260494570
Author: Raven, Peter
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 7, Problem 1U
Summary Introduction
Introduction:
Autotrophs are the organisms that make their own food by using sunlight, carbon dioxide and water by the process of photosynthesis. Photosynthesis is the process by which autotrophic organisms use sunlight energy to make sugar and oxygen gas from carbon dioxide and water.
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The figure below shows the concentration of glucose for a 24-hour period on both the process of photosynthesis (blue) and cellular respiration (red dashed lines). What explains the increase of respiration rate during the day?
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Chapter 7 Solutions
Biology
Ch. 7.1 - Prob. 1LOCh. 7.1 - Explain the role of electron carriers in energy...Ch. 7.1 - Prob. 3LOCh. 7.2 - Prob. 1LOCh. 7.2 - Calculate the energy yield from glycolysis.Ch. 7.2 - Distinguish between aerobic respiration and...Ch. 7.3 - Prob. 1LOCh. 7.4 - Relate the nine reactions of the citric acid cycle...Ch. 7.4 - Diagram the oxidation reactions in the citric acid...Ch. 7.5 - Prob. 1LO
Ch. 7.5 - Prob. 2LOCh. 7.6 - Calculate the number of ATP molecules produced by...Ch. 7.7 - Prob. 1LOCh. 7.8 - Prob. 1LOCh. 7.8 - Distinguish between fermentation and anaerobic...Ch. 7.9 - Identify the entry points for proteins and fats in...Ch. 7.9 - Prob. 2LOCh. 7.10 - Prob. 1LOCh. 7 - Prob. 1DACh. 7 - Prob. 1UCh. 7 - Prob. 2UCh. 7 - Which of the following is NOT a product of...Ch. 7 - Glycolysis produces ATP by a. phosphorylating...Ch. 7 - What is the role of NAD+ in the process of...Ch. 7 - Prob. 6UCh. 7 - The electrons carried by NADH and FADH2 can be a....Ch. 7 - Prob. 1ACh. 7 - Prob. 2ACh. 7 - Prob. 3ACh. 7 - What is the importance of fermentation to cellular...Ch. 7 - Prob. 5ACh. 7 - A chemical agent that makes holes in the inner...Ch. 7 - Prob. 7ACh. 7 - Use the following table to outline the...Ch. 7 - Human babies and hibernating or cold-adapted...Ch. 7 - Recent data indicate a link between colder...
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- Chloroplasts 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 function of light reactions is to a. obtain CO2. b. make carbohydrate. c. convert light energy into a usable form of chemical energy. d. regenerate RuBParrow_forwardWhich 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.arrow_forward
- A shortage of available ATP would hinder a cell's ability to import Select one: a. water. b. oxygen. c. protein. d. carbon dioxide.arrow_forwardChloroplasts and mitochondria both possess internal membranes. Which of the following is true regarding these membranes? A. Enzymes embedded in these membranes catalyze the synthesis and hydrolysis of glucose B. These membranes are vestiges of pre-symbiotic development and serve no purpose. C. Proton gradients develop across these membranes and power ATP synthesis. D. These membranes contain gaseous products of photosynthesis and cellular respiration.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_forward
- It has recently been discovered that blue-green algae (photosynthetic bacteria) can adjust the wavelength of light they use. It is most likely that they adjust the: A. Photosynthetic pigments B. Chloroplast number C. Photosynthetic mechanism D. Timing of photosynthesisarrow_forwardThe picture below shows a preparation of isolated thylakoid membranes suspended in a buffer at pH 7. The preparation is in complete darkness. Which of the following is required for the thylakoids to generate ATP? A. Isolated thylakoid membranes cannot synthesize ATP. B. Incubation in the light plus ADP, Pi and NADP+ C. Incubation in the light plus ADP and Pi. D. Addition of ADP and Pi to the buffer.arrow_forwardLight initiates different types of cellular reactions. Which of the following responses to light converts the energy from light into a gain of potential energy? a. Phototaxis b. Photoperiodism c. Photosynthesis d. All of the abovearrow_forward
- The processes of photosynthesis and cellular respiration are complementary. During these energy conversions, some energy is A. lost in the form of heat. B. used to create light. C. saved in the chemical bonds of water, CO2, and O2. D. destroyed when the chemical bonds of glucose are made.arrow_forwardPhotosynthesis 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.arrow_forwardWhich of the following statements best explains the general process of cellular respiration? A. Living organisms use energy from the sun and water to create food in the form of sugar. B. Living organisms take in oxygen and water to create food in the form of sugars and energy. C. Living organisms breakdown sugar from food to combine with oxygen making usable energy. D. Living organisms take in oxygen and release carbon dioxide through the cells thereby providing energy. 2.arrow_forward
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