Howare C4 plants and CAM (crassulacean acid metabolism) plants similar?a.They both open their stomata at night.b.They both initially fix carbon into a four carbon molecule.c.They both use more water to fix carbon into an organic compound than C3plants.d.They both have bundle sheath cells.e.Both carbon fixation and PGA production occurs in mesophyll cells.

Howare C4 plants and CAM (crassulacean acid metabolism) plants similar?a.They both open their stomata at night.b.They both initially fix carbon into a four carbon molecule.c.They both use more water to fix carbon into an organic compound than C3plants.d.They both have bundle sheath cells.e.Both carbon fixation and PGA production occurs in mesophyll cells.

Basic Clinical Lab Competencies for Respiratory Care: An Integrated Approach

5th Edition

ISBN:9781285244662

Author:White

Publisher:White

Chapter15: Humidity And Aerosol Therapy

Section: Chapter Questions

Problem 4SEPT

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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.
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
The structure of the C4 leaf shows a. how mesophyll cells hug the epidermis of the leaf. hug the bundle sheath cells. b. C. they are spikey. how there are stomata on the underside of the leaf. they store water. TOU O b Oc O e d
This is the location of the carbon fixation reactions in C4 plants. Select one: a. the leaf's spongy mesophyll b. none of these answers c. the leaf's bundle sheath cells d. the palisade mesophyll e. the nearest apical meristem
How do plants acquire carbon to build carbohydrates and lignin? Select one: O a. Through the stomata from the atmosphere O b. Through the roots, dissolved in soil water c. Through the root symbiosis with mycorrhizae O d. Through the root symbiosis with Rhizobia e. From the organic matter in the soil
In hot, dry climates, plants have evolved mechanisms to avoid photorespiration. Which of the following is FALSE Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d C3 plants have no mechanism to avoid photorespiration C4 plants reduce photorespiration by separating the light reaction in the mesophyll cells from the light- independent reaction in the bundle-sheath cells CAM plants minimize photorespiration by collecting and storing CO2 at night and keeping their stomata closed during the day C4 plants include corn, sugarcane, and many grasses CAM plants can undergo photophosphorylation in the absence of sunlight 7 Open in Readin
In hot, dry climates, plants have evolved mechanisms to avoid photorespiration. Which of the following is FALSE Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a b с d e C3 plants have no mechanism to avoid photorespiration C4 plants reduce photorespiration by separating the light reaction in the mesophyll cells from the light- independent reaction in the bundle-sheath cells CAM plants minimize photorespiration by collecting and storing CO2 at night and keeping their stomata closed during the day C4 plants include corn, sugarcane, and many grasses CAM plants can undergo photophosphorylation in the absence of sunlight Open in Readir
Define the following terms: a. photorespiration b. CA1P c. reductive pentose phosphate cycle d. phytochrome e. stomata
. Which of the following is not a typical plant response to oxygen deficit due to flooding? * A. Aerenchyma formation B. Hyponastic growth of submerged leaves C. Stomatal closure D. Induction of anaerobic stress proteins
Terrestrial plants have stomata on the surface of their leaves. Stomata are surrounded by two guard cells that change shape in response to environmental factors and open or close the stoma. Which of the following best explains how the structure of the leaf is used in processes that occur in plants? A. Water enters the plant through the surface of the leaf for transpiration B. Gases for photosynthesis are exchanged through the surface of the leaf. C. Energy for cellular reproduction is absorbed through the surface of the leaf. D. Carbon dioxide enters the plant through the surface of the leaf for cellular reproduction.
i) list TWO adaptations that show that the plant conserves water.ii) Photosynthetic cells produce starch and may be stored. Describe how one may test for the presence of starch on a piece of potato tissue. iii) Give TWO characteristics of monocotyledonous plants. d. The transition of plants from an aquatic environment to a terrestrial one has broughtabout many evolutionary adaptations for plants to survive on land. Give ONE adaptationfor each of the following divisions:i) Mosses: ii) Gymnosperms.
The use of the C4 pathway for initial carbon fixation (CO2 into a 4C compound) I. occurs only in plants with specialized leaf anatomy containing bundle sheath cells surrounded by a ring of mesophyll cells II. occurs during the day in CAM plants III. reduces the problems of photorespiration by isolating the enzyme PEP carboxylase from high levels of dissolved O2