Multiple Choice
Which of the following best describes the effect of progesterone on normal gallbladder function?
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1. Introduction to Biology
Introduction to Biology
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Which vascular plant organ is most dependent on surface area to carry out its primary function?
A
Leaf
B
Stem
C
Root
D
Flower
Verified step by step guidance1
Understand the primary functions of each vascular plant organ: The leaf is primarily responsible for photosynthesis, the stem provides support and transport, the root absorbs water and nutrients, and the flower is involved in reproduction.
Recognize that surface area plays a critical role in processes like photosynthesis, water absorption, and nutrient exchange. For example, a larger surface area allows for more efficient light capture in leaves or nutrient absorption in roots.
Focus on the leaf's primary function: Photosynthesis. Leaves are adapted to maximize surface area through structures like flattened blades and internal air spaces, which enhance light absorption and gas exchange.
Compare the leaf to other organs: While roots also benefit from increased surface area (e.g., root hairs), their primary function is nutrient and water absorption, not photosynthesis. Stems and flowers do not rely as heavily on surface area for their primary functions.
Conclude that the leaf is the vascular plant organ most dependent on surface area to carry out its primary function, as its structure is specifically adapted to optimize photosynthesis.
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