Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 44.4, Problem 1CSC
Summary Introduction
To determine:
How the nutrient leaves the leaf, before the leaf falls.
Introduction:
Vascular tissue system forms the transport channel across the complete plant body. Vascular tissue system made up xylem and phloem. Xylem is used for transporting water and minerals from roots to all parts of the plant. Phloem transfer nutrients and food to the different parts of the plant from leaves.
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Photosynthesis occurs in the chloroplasts packed within the mesophyll cells. Summer leaves are green because they contain about 50 times more chlorophyll than carotenoids. But during the fall, carotenoids have their season of glory because chlorophyll breaks down first, revealing the striking orange and yellow colors of carotenoids, which were there all along. The changes that leaves undergo before they fall off allow the plant to reclaim nutrients from the leaves for storage and use the following spring. How do these nutrients leave the leaf ?
Photosynthesis generally takes place in which parts of the plant?
A.
Leaf and other chloroplast bearing parts
B.
stem and leaf
C.
Roots and chloroplast bearing parts
D.
Bark and leaf
the rate of photosynthesis in plants decreases due to clogged stomata of the leaves
Chapter 44 Solutions
Biology
Ch. 44.1 - Prob. 1CYLCh. 44.1 - distinguish between monocots and dicots?Ch. 44.2 - Prob. 1HYEWCh. 44.2 - explain the difference between meristem cells and...Ch. 44.2 - Prob. 2CYLCh. 44.3 - Prob. 1CYLCh. 44.3 - Prob. 2CYLCh. 44.3 - Prob. 3CYLCh. 44.4 - Prob. 1CSCCh. 44.4 - Prob. 1TC
Ch. 44.4 - diagram an argosperm leaf and describe the...Ch. 44.4 - describe some specialized leaf adaptations and...Ch. 44.5 - Prob. 1TCCh. 44.5 - Prob. 1CYLCh. 44.5 - Prob. 2CYLCh. 44.5 - Prob. 3CYLCh. 44.6 - Prob. 1CYLCh. 44.6 - Prob. 2CYLCh. 44.7 - Prob. 1CSCCh. 44.7 - Prob. 1CYLCh. 44.7 - Prob. 2CYLCh. 44.7 - Prob. 3CYLCh. 44.7 - Prob. 4CYLCh. 44.8 - Prob. 1TCCh. 44.8 - Prob. 2TCCh. 44.8 - Prob. 1CYLCh. 44.8 - Prob. 2CYLCh. 44.8 - Prob. 3CYLCh. 44.9 - Prob. 1TCCh. 44.9 - Prob. 1CYLCh. 44.9 - Prob. 1CTCh. 44 - Taproots a. are characteristic of dicots. b. act...Ch. 44 - Prob. 2MCCh. 44 - Bark a. is a type of epidermal tissue. b. includes...Ch. 44 - Prob. 4MCCh. 44 - Prob. 5MCCh. 44 - Prob. 6MCCh. 44 - Prob. 7MCCh. 44 - Prob. 8MCCh. 44 - Prob. 1FIBCh. 44 - Prob. 2FIBCh. 44 - Prob. 3FIBCh. 44 - Prob. 4FIBCh. 44 - Prob. 5FIBCh. 44 - Prob. 1RQCh. 44 - Prob. 2RQCh. 44 - Prob. 3RQCh. 44 - Prob. 4RQCh. 44 - Prob. 5RQCh. 44 - Prob. 6RQCh. 44 - Prob. 7RQCh. 44 - Prob. 8RQCh. 44 - Prob. 9RQCh. 44 - Prob. 10RQCh. 44 - Describe how water and minerals are absorbed by a...Ch. 44 - Prob. 12RQCh. 44 - Prob. 13RQCh. 44 - Prob. 14RQCh. 44 - Prob. 1ACCh. 44 - Prob. 2ACCh. 44 - Prob. 3AC
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- Most of the carbon that land plants use for photosynthesis comes from ______. a. glucose b. the atmosphere c. water d. soilarrow_forwardIn C3 plants, _______ makes sugar production inefficient when stomata close on hot, dry days. a. photosynthesis c. photorespiration b. photolysis d. carbon fixationarrow_forwardChloroplasts contain chlorophyll and carotenoids. Chlorophyll directly absorbs light for use in photosynthesis. Carotenoids absorb light and transfer the energy from light to chlorophyll. The efficiency of photosynthesis varies with the wavelengths of the light that illuminates the chloroplasts. In an experiment to study the relationship between the incoming light wavelengths and the chemical reactions of photosynthesis using a species of green algae, a researcher labeled the CO2 supply to the algae with 14C, and the H2O with 18O. Which of the following results is expected? More 14C is found in the algae when it is illuminated by green light than when it is illuminated by blue-violet and red light. More 18O is found in the algae when it is illuminated by green light than when it is illuminated by blue-violet and red light. More 14C is found in the algae when it is illuminated by blue-violet and red light than when it is illuminated by green light. More 18O is found in the algae when…arrow_forward
- Your friend is looking for advice for growing healthy houseplants. With what you read in the textbook about photosynthesis, provide your friend with three specific factors that are key to successful plant growth. Provide specific details as to why you chose these factors and how your friend can make sure the plants are able to maximize their photosynthetic rate.arrow_forwardWhat is the name of the cellular structure where the light-dependent reactions of photosynthesis occur in plants? Stroma Thylakoid membrane Outer chloroplast membrane Stomataarrow_forwardPhotosynthesis generally takes place in which parts of the plant? Steam and leaf Leaf and other chloroplast bearing plants Bark and leaf Roots and chloroplast bearing plantsarrow_forward
- During the light reactions of photosynthesis, pigments within the thylakoids membranes absorb solar energy, split water, and releasearrow_forwardWhat is the major trade-off plants face when they undergo photosynthesis? When they open their stomata to let in oxygen, they can lose water. When they open their stomata to release oxygen, they can lose water. When they open their stomata to let in carbon dioxide, they can lose water. When they open their stomata to let in water, they can lose carbon dioxide.arrow_forwardIf plants need CO2 to construct glucose (by photosynthesis), why is the rising level of CO2 in the atmosphere cause for concern? You’d think more CO2 would accelerate plant growth, and that would be a good thing.arrow_forward
- Consider the relationship between temperature and photosynthesis. As temperatures increase,gases such as CO2 diffuse faster. As a result, plant leaves will lose CO2 at a faster rate thannormal. If the amount of light reaching the leaf and the amount of water available are adequate,predict how this loss of gas will affect photosynthesis in the leaf.arrow_forwardExplains energy molecules and electron carriers used in the light reactions of photosynthesis. Explain the chemical pathway used to fix carbon dioxide in C3 plants in preparation for the Calvin cycle. Explain the chemical pathway used to fix carbon dioxide in C4 plants in preparation for the Calvin cycle. Explain the leaf anatomy in C3 plants and how the structure fits the function of carbon fixation. Explain the leaf anatomy in C4 plants and how the structure fits the function of carbon fixation.arrow_forwardIn which compartment of the plant cell do the light-independent reactions of photosynthesis take place? a. thylakoid b. stroma c. outer membrane d. mesophyllarrow_forward
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