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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 2a Cytoskeleton Cell Motility

Study 2a Cytoskeleton Cell Motility 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

Which motor protein moves toward the plus end of microtubules?

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ANSWER

Kinesin. Kinesins are ATP-dependent motors that transport cargo anterogradely along microtubules toward the cell periphery.

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

You are hereCytoskeleton Structure and Cell Motility (2A)25 cards

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What this deck covers

This deck focuses on 2a Cytoskeleton Cell Motility, 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
Migrating neurons were imaged as they advanced a leading process on a laminin substrate. Investigators quantified delivery of adhesion receptors to the front of the cell. Under control conditions, receptor-containing vesicles moved along linear tracks toward the leading edge and accumulated in the front membrane. After treatment with a microtubule motor inhibitor, vesicle movement became largely diffusive, front membrane receptor density decreased, and cells exhibited repeated protrusion attempts without sustained forward translocation. Which conclusion about cytoskeletal dynamics is most consistent with these findings?
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