Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 9, Problem 7TYU
Summary Introduction
Introduction: Botanists use C3, C4, and CAM (Crassulacean acid
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Which of the following statements is/are FALSE for CAM plants?
a.The dark reaction uses less ATP and NADPH than other plants.
b.Succulents and tropical plants growing under semi-arid condition.
c.C4 pathway occurs at night and C3 pathway occurs at daytime.
d.Scotoactive stomata are open during daytime but close at nighttime.
Two mechanical tissues of the cortex in herbaceous stem. _____________________________________________________
Which of these mechanical tissues may be photosynthetic in function? _____________________________________________________
This is the basic type of stele in the stem of all angiosperms. ____________________________________________________
Which of the following statements is are TRUE?
Ca pathway involves a single C02 fixation step.
In CAM plants. stomata are open during day time.
Chlorophyll pigments absorb maximum light in the green wavelength.
Reaction center of PSI is P700
Chapter 9 Solutions
Biology (MindTap Course List)
Ch. 9.1 - Describe the physical properties of light and...Ch. 9.1 - Prob. 1CCh. 9.1 - Prob. 2CCh. 9.2 - Diagram the internal structure of a chloroplast...Ch. 9.2 - Prob. 3LOCh. 9.2 - Prob. 1CCh. 9.2 - What is the significance that the combined...Ch. 9.2 - Prob. 3CCh. 9.3 - Describe photosynthesis as a redox process.Ch. 9.3 - Distinguish between the light-dependent reactions...
Ch. 9.3 - Prob. 1CCh. 9.3 - In what ways do the carbon fixation reactions...Ch. 9.4 - Describe the flow of electrons through...Ch. 9.4 - Explain how a proton (H+) gradient is established...Ch. 9.4 - Prob. 1CCh. 9.4 - Prob. 2CCh. 9.4 - PREDICT Can cyclic electron transport alone...Ch. 9.5 - Summarize the three phases of the Calvin cycle and...Ch. 9.5 - Prob. 9LOCh. 9.5 - Prob. 10LOCh. 9.5 - Describe what happens in each of the three phases...Ch. 9.5 - A decrease in entropy occurs during the CO2 uptake...Ch. 9.5 - In what ways does photorespiration differ from...Ch. 9.5 - Prob. 4CCh. 9.6 - Prob. 11LOCh. 9.6 - Prob. 1CCh. 9.7 - State the importance of photosynthesis both in a...Ch. 9.7 - Prob. 1CCh. 9.7 - Prob. 2CCh. 9 - Where is chlorophyll located in the chloroplast?...Ch. 9 - In photolysis some of the energy captured by...Ch. 9 - Prob. 3TYUCh. 9 - In ________, electrons that have been energized by...Ch. 9 - The Calvin cycle begins when CO2 reacts with (a)...Ch. 9 - The enzyme directly responsible for almost all...Ch. 9 - Prob. 7TYUCh. 9 - An organism characterized as a photoautotroph...Ch. 9 - VISUALIZE Draw a simple sketch illustrating a...Ch. 9 - Prob. 10TYUCh. 9 - Prob. 11TYUCh. 9 - Prob. 12TYUCh. 9 - CONNECT High-energy electrons from glucose are...Ch. 9 - PREDICT What would life be like for...Ch. 9 - EVOLUTION LINK Propose an explanation for...Ch. 9 - INTERPRET DATA The figure depicts the absorption...Ch. 9 - SCIENCE, TECHNOLOGY, AND SOAETY What strategies...
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- EVOLUTION LINK Like stems in general, some vines are herbaceous and others are woody. Tropical rain forests have a greater diversity of vines than in any other environment on Earth, and most of these vines are woody. Develop a hypothesis to explain why natural selection has favored the evolution of more species of woody vines (as opposed to herbaceous vines) in tropical rain forests.arrow_forwardThere is a trade-off between photosynthesis and transpiration in leaves because (a) numerous stomatal pores provide both gas exchange for photosynthesis and openings through which water vapor escapes (b) a waxy layer, the cuticle, reduces water loss (c) blue light triggers an influx of potassium ions (K+) into the guard cells (d) leaves of deciduous plants abscise as winter approaches in temperate climates (e) stomata are closed at night, although water continues to move into the roots by osmosisarrow_forwardStomata and lenticels are both involved in exchange ofCO2 and O2. Why do stomata need to be able to close,but lenticels do not?arrow_forward
- 1. What is the pathway of carbon dioxide fixation 2. What are the adaptions and resistance of plant to high temperatures 3. What are the adaptions of plant growth in cold regionsarrow_forwardThe fifth concept used to understand plants is that plants must survive in their own _______________________. Imagine a plant adapted to a desert and one adapted to a rain forest. Do you think that the leaves of one might be different from the leaves of the other? That one might have enlarged roots that can store water and the other would not need these? Would it be easier to understand a plant’s anatomy and physiology, all its biology, if we also know the type of habitat to which it is adapted?arrow_forwardHow is a C4, C3 and CAM plant different in terms of 1. area/region of growth 2. leaf morphology/physiological adaptation 3. added steps to the Calvin Cyclearrow_forward
- Guttation in plants is due to condensation of water vapor and occurs through the hydathodes. D. Disagree, because guttation occurs through the stomates. A. Agree, because guttation occurs through the hydathodes. B. Disagree, because it is root pressure that causes guttation. C. Agree, because during night time, water condenses due to drop in temperature.arrow_forward1. What is the pathway for carbon dioxide fixation in plants 2. What are the adaptions and resistance of plant to high temperatures 3. What the adaptations of plant growth in cold regionsarrow_forwardA biologist finds that a plant is being attacked by beetle larva, which eats flowers. Later that same day, she observes that the air around the plant has an unusual "chemical" odour. Next day, she sees that there are many wasps stinging the caterpillars on the flowers. Give the most likely explanation for this observation and explain the underlyingconcept clearly.arrow_forward
- But how are the two types of mesophyll involved? From what I understand, CO2 enters the stomata, and then the citric acid cycle of the mitochondia in the mesophyll use the carbon atoms do produce glucose, which then goes through phloem loading and it either used or stored. My question, I guess, is how exactly are the two types of mesophyll involved? Is only one used or are both used at different times in the production of the glucose?arrow_forwardCotton plants wilt within a few hours of flooding of their roots. The flooding leads to low-oxygen conditions, increases in cytosolic Ca2+ concentration, and decreases in cytosolic pH. Suggest a hypothesis to explain how flooding leads to wilting.arrow_forward
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