CUSTOM BIOLOGY
19th Edition
ISBN: 9781323945490
Author: Urry
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 8.1, Problem 2CC
Describe the forms of energy found in an apple as it grows on a tree, then falls, then is digested by someone who eats it.
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Describe the forms of energy found in an apple as it grows on a tree ' then falls ' then is digested by someone who eat it.
describe the symptoms of nutrient deficiency in plants.
As scientists research and develop biofuels, they are faced with many tradeoffs. A plant's usefulness for biofuels depends on how much energy can be collected from the plant matter. In addition, growing plants on a large scale requires energy—such as the gasoline and power needed to run tractors and other harvesting equipment or the energy needed to create and distribute fertilizers and pesticides. An efficient biofuel would maximize the ratio of energy output to energy input.
The following graph illustrates the results of a 10-year study analyzing three different crops used in biofuel production. The data show how much energy was required to grow each crop on 1 hectare of land (energy input) and how much energy was recovered from the total crop on each hectare of land (energy output). A hectare is a measurement of an area of land and is roughly the same as 2.5 acres.
What was the estimated energy input of the grass?
A. kcal x 10^6
B. 2kcal x 10^6
C. 8kcal x 10^6
Chapter 8 Solutions
CUSTOM BIOLOGY
Ch. 8.1 - Prob. 1CCCh. 8.1 - Describe the forms of energy found in an apple as...Ch. 8.1 - WHAT IF? If you place a teaspoon of sugar in the...Ch. 8.2 - Cellular respiration uses glucose and oxygen,...Ch. 8.2 - VISUAL SKILLS How would the processes of...Ch. 8.2 - Prob. 3CCCh. 8.3 - How does ATP typically transfer energy from an...Ch. 8.3 - Prob. 2CCCh. 8.3 - MAKE CONNECTIONS Does Figure 8.11a show passive...Ch. 8.4 - Many spontaneous reactions occur very slowly. Why...
Ch. 8.4 - Prob. 2CCCh. 8.4 - WHAT IF? Malonate is an inhibitor of the enzyme...Ch. 8.4 - Prob. 4CCCh. 8.5 - How do an activator and an inhibitor have...Ch. 8.5 - Prob. 2CCCh. 8 - Explain how the highly ordered structure of a cell...Ch. 8 - Explain the meaning of each component in the...Ch. 8 - Describe the ATP cycle: How is ATP used and...Ch. 8 - How do both activation energy barriers and enzymes...Ch. 8 - Prob. 8.5CRCh. 8 - Choose the pair of terms that correctly completes...Ch. 8 - Prob. 2TYUCh. 8 - Which of the following metabolic processes can...Ch. 8 - Prob. 4TYUCh. 8 - Some bacteria art metabolically active in hot...Ch. 8 - If an enzyme is added to a solution where its...Ch. 8 - Prob. 7TYUCh. 8 - EVOLUTION CONNECTION Some people argue that...Ch. 8 - Prob. 9TYUCh. 8 - WRITE ABOUT A THEME: ENERGY AND MATTER Life...Ch. 8 - Prob. 11TYU
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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
- Your digestive system is very efficient at digesting meat, but is not as efficient at getting all of the available nutrition from plants. Assume that you were raised on plants instead of meat. Plant material has about 40% of the per-kg food value as meat. How much plant energy would it take to get you to 20 years old?arrow_forwardAs scientists research and develop biofuels, they are faced with many tradeoffs. A plant's usefulness for biofuels depends on how much energy can be collected from the plant matter. In addition, growing plants on a large scale requires energy—such as the gasoline and power needed to run tractors and other harvesting equipment or the energy needed to create and distribute fertilizers and pesticides. An efficient biofuel would maximize the ratio of energy output to energy input. The following graph illustrates the results of a 10-year study analyzing three different crops used in biofuel production. The data show how much energy was required to grow each crop on 1 hectare of land (energy input) and how much energy was recovered from the total crop on each hectare of land (energy output). A hectare is a measurement of an area of land and is roughly the same as 2.5 acres. What was the estimated energy input of the grass? A. 2 kcal × 106 B. 4 kcal × 106 C. 8 kcal…arrow_forwardWhen chlorophyll absorbs the energy in sunlight, this energy: Activates electrons in chlorophyll Generates heat used by the plant for photosynthesis O Is used to break apart sugararrow_forward
- Which statement explains how ATP and its phosphate groups are related to the energy that is used in plant processes? ADP loses a phosphate group to create ATP, which stores energy for making sugars. ADP gains a phosphate group to create ATP, which stores energy for making sugars. ADP loses a phosphate group to create ATP; this process instantly releases energy for making sugars. ADP gains a phosphate group to create ATP; this process results from sugar production.arrow_forwardNitrogen deficiency stunts plant growth and causesleaves to turn yellow and then die. Why does nitrogendeficiency cause these symptoms? Hint: Think aboutwhich biological molecules incorporate nitrogen atoms.arrow_forwardPlants synthesis protein from: Starch Sugar Fatty acids Amino acidsarrow_forward
- Photosynthesis is an endothermic reaction because it uses solar energy to build glucose molecules. Rubisco, an enzyme found in plants, is critical to this process. How does the presence of rubisco affect the change in free energy consumed or produced by the reactants and products? The presence of rubisco increases the free energy produced by the reactants, but the free energy consumed by glucose stays constant. The presence of rubisco increases the free energy consumed by glucose, but maintains the free energy produced by the initial reactants. The presence of rubisco decreases the energy required for activation in the transition state and increases the free energy consumed by glucose. The presence of rubisco decreases the energy required for activation in the transition state, but the change in the free energy of the reactants and products remains constant.arrow_forwardWhat is the process by which a plant obtains nutrition for itself? What is the process through which animals and plants transform food into energy?arrow_forwardA plant uses 54 ATP to build one glucose molecule, but only gets 36 ATP when it breaks the sugar down for energy. Why doesn't the plant run into an energy shortage?arrow_forward
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