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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 2c Apoptosis Regeneration Aging

Study 2c Apoptosis Regeneration Aging in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Identify the hallmark DNA change in apoptosis detected by TUNEL assay.

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ANSWER

Internucleosomal DNA fragmentation producing many free 3′3'-OH ends. Apoptotic endonucleases cleave DNA at internucleosomal sites, generating free 3′3'-OH ends detectable by TUNEL assay for labeling fragmented DNA.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 2: Cells and Cellular Organization

You are hereProgrammed Cell Death, Regeneration, Aging (2C)22 cards

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This deck focuses on 2c Apoptosis Regeneration Aging, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
In a skin wound model, a topical factor increased the fraction of basal epidermal stem cells entering the cell cycle during the first week after injury. Wounds closed faster, but the healed tissue showed abnormal hair follicle density compared with controls. Based on the vignette, which conclusion is most consistent with regeneration?
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