객관식
Which of the following components are found in both Photosystem I (PSI) and Photosystem II (PSII)?
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9. Photosynthesis
Introduction to Photosynthesis
객관식
Why is it important that the spongy mesophyll in plant leaves has gaps or air spaces in its layers?
A
To provide structural support to the leaf.
B
To increase the surface area for light absorption.
C
To store excess water for the plant.
D
To facilitate the exchange of gases necessary for photosynthesis.
검증된 단계별 안내1
Understand the role of spongy mesophyll in plant leaves: The spongy mesophyll is a layer of cells found in plant leaves, primarily involved in gas exchange.
Recognize the importance of gas exchange: Photosynthesis requires carbon dioxide (
) to produce glucose and oxygen (
) as a byproduct.
Identify the function of air spaces: The gaps or air spaces in the spongy mesophyll allow for efficient movement of gases, facilitating the exchange of
and
.
Consider the structural arrangement: The loose arrangement of cells in the spongy mesophyll increases the surface area for gas exchange, enhancing the plant's ability to perform photosynthesis.
Conclude the importance: The presence of air spaces in the spongy mesophyll is crucial for the plant's survival, as it ensures that the necessary gases for photosynthesis are readily available.
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