Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 36, Problem 17TYK
Summary Introduction
Introduction: Carbon dioxide (CO2) is a vital element for the plants to undergo photosynthesis. It is converted into energy by the green plants. It is present in the atmosphere abundantly in the form of gas. The plants use energy from the sunlight to unite with water and CO2 that stores energy. The oxygen is the byproduct of this reaction called photosynthesis, which is released into the atmosphere.
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To which of the two lighting conditions would you expose seedlings if you wanted to maximize the rate of photosynthesis in the plants as well as minimizing your costs for electricity to light the plants in the greenhouse?
A. Low light only.
B. Moderate light only.
C. Low light for the first 12 hours and then moderate light afterwards.
D. Moderate light for the first 12 hours and then low light afterwards.
Photorespiration becomes more likely when a. CO2 concentrations are high in leaf cells. b. stomata remain closed in C3 plants. c. glucose concentrations are low in leaf cells. d. ATP binds to rubisco.
Which of the following descriptions about C4 and CAM plants is not correct?
Select one:
a. CAM plants use CO2 released from organic compounds during the day
b. C4 and CAM plants both close stomata during the day in hot and dry climates.
c. in C4 plants, PEP carboxylase present in bundle-sheath cells incorporate CO2 into C4 compounds
d. CAM plants fix CO2 at night
e. C4 plants use PEP carboxylase to fix CO2 even when CO2 concentrations are low
Chapter 36 Solutions
Study Guide for Campbell Biology
Ch. 36 - Prob. 1IQCh. 36 - a. A flaccid plant cell has a water potential of...Ch. 36 - Prob. 3IQCh. 36 - Prob. 4IQCh. 36 - Prob. 5IQCh. 36 - Prob. 6IQCh. 36 - Prob. 1SYKCh. 36 - Prob. 2SYKCh. 36 - If a plant has a phyllotaxy of alternate leaves...Ch. 36 - Prob. 2TYK
Ch. 36 - Prob. 3TYKCh. 36 - Prob. 4TYKCh. 36 - Prob. 5TYKCh. 36 - Prob. 6TYKCh. 36 - Prob. 7TYKCh. 36 - Prob. 8TYKCh. 36 - Prob. 9TYKCh. 36 - Prob. 10TYKCh. 36 - Prob. 11TYKCh. 36 - Prob. 12TYKCh. 36 - Prob. 13TYKCh. 36 - Prob. 14TYKCh. 36 - Prob. 15TYKCh. 36 - Your favorite houseplant is wilting. Which of the...Ch. 36 - Prob. 17TYKCh. 36 - Which of the following mechanisms explains the...Ch. 36 - Prob. 19TYKCh. 36 - Prob. 20TYK
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- C4 plants and CAM plants are both different from C3 plants. Only CAM plants a. require 2 cells to fix carbon. b. C. d. e. omit the Calvin cycle. use malate to store carbon. have no stomata. capture CO2 at night. d Carrow_forwardIn a growing condition with limited air supply, which of the following processes will be directly affected? a. Photosynthesis b. Translocation c. Respiration d. A and Carrow_forwardWhen discussing the graph, the narrator describes a point at which the rate of photosynthesis levels off and mentions factors that might have prevented further increases in the rate of photosynthesis. What are the correct terms for this point and these factors? Select one or more: a. saturation point, limiting factors b. saturation point, restricting factors c. plateau point, restricting factors d. plateau point, limiting factorsarrow_forward
- Why do land plants have stomates (sometimes called stomata)? a. To allow plants to take in carbon dioxide from the atmosphere. b. All of the choices are true; none are false. c. To control water loss while allowing for the uptake of some raw materials of photosynthesis. d. They allow the plant to have some control over transpiration rates.arrow_forwardWhich one of the following does not affect the rate of transpiration ? A. Light B. Humidity C. Wind D. Age of the plantarrow_forwardWhich of the following resource(s) do plants need to survive (select all that apply): A. O2 for cellular respiration B. nitrogen and minerals as molecular building blocks C. Glucose for cellular respiration D. CO2 for photosynthesis E. H2O for structure and turgor pressurearrow_forward
- The increase in air CO2 concentration leads to global warming and extreme weather. What are the effects of the factors listed below on photosynthesis? Which plants (C3 or C4) have an advantage? a- Increased CO2 concentration b- High temperature c- droughts Need answer in short and ASAP please . Thank you.arrow_forwardPropose a hypothesis on how each of these variables affects the production of oxygen from a plant. 1. Increasing light intensity 2.Increasing CO2 levels 3.Increasing temperature 4.How does light intensity affect the rate of photosynthesis?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_forward
- Plants that fix CO 2 into organic acids at night when the stomata are open and carry out the Calvin cycle during the day when the stomata are closed are called O A. C 3 plants. B. C 4 plants. C. CAM plants. D. B and C only. E. A, B, and Carrow_forwardIf you reduced the density of chlorophyll molecules in a plant by 50%, and as a result chlorophyll molecules were now too far apart for any resonance energy transfer to occur, what would be the most likely impact on the amount of photosynthesis the plant could carry out? a. reduced, by 25% b. reduced by 50% c. reduced by 75% d. reduced by 100%arrow_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
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