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What the difference between essential, nonessential, and conditionally essential amino acids?
Underground Stem
A stem of a plant that grows beneath the surface of the soil which can store food or be reproductive, examples include rhizomes and tubers.
Modified Leaves
Leaves that have undergone changes to perform specialized functions beyond photosynthesis, such as tendrils for climbing or spines for protection.
Circumference
Circumference is the linear distance around the edge of a circle or circular object.
Apical Meristems
Regions at the tips of plant roots and shoots where cells actively divide, leading to growth.
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