EBK CAMPBELL BIOLOGY
11th Edition
ISBN: 8220103613828
Author: Reece
Publisher: PEARSON
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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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Students have asked these similar questions
Which of the following accurately describes the energy during the biosynthesis of a fat molecule in plants:
O Glucose -> fat molecule
O Amino acids -> protein molecule
O glucose -> starch molecule
chemical energy -> heat and motion
chemical energy-> chemical energy
light energy -> chemical energy
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?
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. 2 kcal × 106
B. 4 kcal × 106
C. 8 kcal…
Chapter 8 Solutions
EBK CAMPBELL BIOLOGY
Ch. 8.1 - MAKE CONNECTIONS How does the second law of...Ch. 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 - WHAT IF? Some nighttime partygoers wear glow-in-...Ch. 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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- 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 10^6arrow_forwardWhich 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_forwardPlants synthesis protein from: Starch Sugar Fatty acids Amino acidsarrow_forward
- Nitrogen 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_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_forwardPlease name and describe the functions of the five most important minerals for plant growth: N, K, Ca, Mg & P (Table 14.3). Describe the consequences of deficiencies in these minerals. (the table is attached as an image)arrow_forward
- Diagram 3: Light Wave Absorption of Chlorophyll a and b. Chlorophyll a Chlorophyll b 400 450 500 550 600 650 700 Wavelength (nm) Plant chlorophyll chemicals will absorb, or take in, light wave energy in order to produce their own organic molecules used for cellular energy. Reflected light refers to those wavelengths of light that will "bounce off" of the chlorophyll and not be absorbed. Select the conclusion that most accurately summarizes the data in diagram 3. Red and blue light waves have equal importance during photosynthesis. The majority of light energy is attained from red light, while the blue light waves provide additional light energy to photosynthesis. The majority of light energy is attained from blue light, while the red light waves provide additional light energy to photosynthesis. Medium length light waves are important to photosynthesis Absorptionarrow_forwardThe differences in nutritional resources used by plants versus animals is also great. Plants obtain nutrients in the form of or as simple present in the environment. An animal begins with food in the mouth, but the nutrients occur as in complex which in turn are parts of .arrow_forwarddescribe the symptoms of specific nutrient deficiencies in plants.arrow_forward
- Why are plants that consume 30 ATP molecules to produce one molecule of glucose (rather than the usual 18 molecules of ATP per glucose molecule) favored in hot climates but not in cold climates? What role does temperature play?arrow_forwardPlant thermogenesis occurs when the inner membrane of chloroplasts have more thylakoids and stop making ATP. Select one: O True O False Karrow_forwardIn a rainforest there are a wide variety of plants. Short plants have broad, flat leaves . Tall plants have small, narrow leaves. What is an advantage of short plants having broad , flat leaves ? to transport nutrients through the plant to prevent water loss from transpiration to obtain energy by breaking bonds in glucose to capture energy used for photosynthesisarrow_forward
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