AP®︎ Biology: Topic 7.7 Flashcards

Master key terms and definitions for Topic 7.7 of AP Biology – Common Ancestry to help you prep for quizzes and the AP exam.

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Term

Structural And Functional Evidence For Common Ancestry Of Eukaryotes

Definition

Shared eukaryotic traits include membrane-bound organelles, linear chromosomes, and genes containing introns.

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Structural And Functional Evidence For Common Ancestry Of Eukaryotes
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Shared eukaryotic traits include membrane-bound organelles, linear chromosomes, and genes containing introns.

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Membrane-Bound Organelles
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Internal cell compartments surrounded by membranes, such as the nucleus, mitochondria, and chloroplasts.

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Linear Chromosomes
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DNA molecules arranged as straight chromosomes rather than the circular form typical of prokaryotes.

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Introns
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Noncoding gene sequences transcribed into RNA and removed before the mature mRNA is translated.

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