Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 23.4, Problem 2MC
Summary Introduction
To analyze:
The reason why some
Introduction:
The non-parasitic species from which all parasitic plants descended. Some parasites are only partly parasitic. These plants are hemiparasites, able to photosynthesize while also stealing nutrients and water from their hosts. Other parasitic plants, referred to as holoparasites, are unable to photosynthesize and must obtain their sustenance from their hosts.
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How do C4 plants minimize photorespiration?
Multiple Choice
Stomata are only opened at night, storing carbon dioxide in the stroma. During the day, the carbon dioxide is released for photosynthesis.
Carbon dioxide is fixed twice in different cells. The Calvin cycle occurs in the bundle sheath cells where oxygen concentrations are lower.
Carbon dioxide is fixed twice in different cells so that carbon dioxide does not come into contact with rubisco.
Stomata are only opened at night, storing oxygen in malate. During the day, the oxygen is released for photosynthesis.
Stomata are only opened at night, storing carbon dioxide in malate. During the day, the carbon dioxide is released for photosynthesis.
What is the name of the cellular structure where the light-dependent reactions of photosynthesis occur in plants?
Stroma
Thylakoid membrane
Outer chloroplast membrane
Stomata
Which of the following statements are true of the stomata on the leaves of vascular plants? A) They regulate intake of carbon dioxide needed for photosynthesis.B) They regulate release of oxygen to the air.C) They regulate loss of water.D) They are able to open or close depending on environmental conditions.E) They regulate the absorption of light by chlorophyll.
Chapter 23 Solutions
Biology: Concepts and Investigations
Ch. 23.1 - How do plants acquire C, H, O, N, and P?Ch. 23.1 - Prob. 2MCCh. 23.1 - Prob. 3MCCh. 23.2 - Prob. 1MCCh. 23.2 - Prob. 2MCCh. 23.2 - Prob. 3MCCh. 23.3 - Prob. 1MCCh. 23.3 - Prob. 2MCCh. 23.3 - Prob. 3MCCh. 23.4 - Prob. 1MC
Ch. 23.4 - Prob. 2MCCh. 23.5 - Prob. 1MCCh. 23.5 - Prob. 2MCCh. 23.5 - Prob. 3MCCh. 23 - Prob. 1MCQCh. 23 - Prob. 2MCQCh. 23 - Prob. 3MCQCh. 23 - Prob. 4MCQCh. 23 - Prob. 5MCQCh. 23 - Prob. 6MCQCh. 23 - Prob. 7MCQCh. 23 - Explain the relationship between transpiration and...Ch. 23 - Prob. 2WIOCh. 23 - Prob. 3WIOCh. 23 - Prob. 4WIOCh. 23 - Prob. 5WIOCh. 23 - Prob. 6WIOCh. 23 - Prob. 7WIOCh. 23 - Prob. 8WIOCh. 23 - Prob. 9WIOCh. 23 - Prob. 10WIOCh. 23 - Prob. 11WIOCh. 23 - Prob. 12WIOCh. 23 - Prob. 13WIOCh. 23 - Prob. 1PITCh. 23 - Prob. 2PITCh. 23 - Prob. 3PIT
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- Why is photosynthesis important to the survival of green plants?arrow_forwardWhat is the general function of each photosystem used by plants?arrow_forwardEven though C4 plants require more ATP per CO₂ fixed, at higher temperatures, they are more efficient than C3 plants. Which of the following explains the effectiveness of C4 plants? contains a mutant form of Rubisco that does not bind to oxygen oxygen is prevented from entering the bundle-sheath cells where Rubisco is found Oduring the night, carbon dioxide is stored as malate so that stomata do not need to open during the day O photorespiration in C4 plants produces energy while in C3 plants, energy is consumedarrow_forward
- Cactus leaves are so highly modified for defense that they cannot effectively accomplish photosynthesis, so how do cacti obtainorganic compounds?arrow_forwardC4 plants differ from C3 plants because C3 plants while C4 plants O gain CO2 via photorespiration; lose CO2 via photorespiration have mesophyll cells that fix CO2 and contain the Calvin cycle; have mesophyll cells that fix CO2 and bundle sheath cells that contain the Calvin cycle concentrate CO2 near rubisco; cannot concentrate CO2 near rubisco can concentrate the CO2 by regulating the stomata closure; can concentrate CO2 at night produce a four-carbon intermediate after CO2 fixation; produce a three-carbon intermediate after CO2 fixationarrow_forwardA sporophyll is a: * O Photosynthetic leaf Spore bearing leaf Spore sac Spore mother cellarrow_forward
- What is this? Does it photosynthesize? Name the parts you can seearrow_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_forwardA damage in the thylakoid membrane caused the protons to leak into the stroma. Which of the following processes will be most affected? * synthesis of ATP splitting of water absorption of light energy by chlorophyll flow of electrons from PSII to PSIarrow_forward
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