BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 38.1, Problem 1CC
Summary Introduction
To idenify: The plastids that contain more of the enzyme Rubisco.
Introduction: The rate of photosynthesis in plants increases with the increase in CO2 concentration. This process keeps on going until rubisco has become fully saturated with CO2. The plants present in arid and hot regions use CO2 through an adaptation called C4 photosynthesis. The internal structure of the leaves of C4 plants helps in efficient utilization of CO2.
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Which of the following explains why pea plants in high soil nitrogen conditions have
so few rhizobial nodules on their roots?
When there is already high soil nitrogen there is a very large cost to having
rhizobial nodules.
The rhizobia bacteria in the nodules fix nitrogen when there isn't enough in the
soil, so when there is already high soil nitrogen there is no advantage for the pea
plant to expend the extra energy housing the rhizobia.
The rhizobia bacteria in the nodules use nitrogen when there isn't enough in the
soil, so in conditions of high soil nitrogen the plant tries to exclude the rhizobia
to keep the nitrogen for itself.
When there is already high soil nitrogen there is no benefit to the plant to
having rhizobial nodules, which can rob the plant of the high nitrogen supplies
so that the rhizobia bacteria do not have to fix the nitrogen themselves.
Plastids are specialized storage organelles found in plants. Which of the
mismatched according to the function of the plastid?
bilowing is
O A) amyloplast: starch
O B) chromoplast:carotein
C) chromoplast:chlorophyll
D) vacuole:anthocyanin
O E) chloroplast:chlorophyll
身
Figure 4 shows an open stoma during a gaseous exchange process in a plant.
Elaborate the gaseous exchange process in plants with considering the influence of Y to the turgidity of guard cells.
Chapter 38 Solutions
BIOLOGY-TEXT
Ch. 38.1 - Prob. 1CCCh. 38.1 - Prob. 2CCCh. 38.2 - Prob. 1CCCh. 38.2 - How might soil crusts influence the ecology and...Ch. 38.2 - Prob. 3CCCh. 38.2 - Prob. 1EQCh. 38.2 - Prob. 2EQCh. 38.3 - Prob. 1CSCh. 38.3 - Prob. 2CSCh. 38 - Which of the following substances can limit plant...
Ch. 38 - In what form do plants take up most soil minerals?...Ch. 38 - Prob. 3TYCh. 38 - Soil organic matter provides the benefit of a....Ch. 38 - Prob. 5TYCh. 38 - Which property is not characteristic of clay-rich...Ch. 38 - Prob. 7TYCh. 38 - Prob. 8TYCh. 38 - Prob. 9TYCh. 38 - Which plant uses a passive trap to obtain animal...Ch. 38 - Prob. 1CQCh. 38 - Prob. 2CQCh. 38 - Prob. 3CQCh. 38 - Prob. 1COQCh. 38 - Prob. 2COQ
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