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AP Biology Unit 2: Cell Structure and Function. Need to cover the fluid mosaic model of the plasma membrane, organelle functions (mitochondria, ribosomes, ER, Golgi), passive vs. active transport, osmosis and tonicity, and the endosymbiotic theory.

Study Format

outline

Depth

detailed

Exam Type

multiple-choice

Saída (trecho)

I. The Plasma Membrane
  A. Fluid mosaic model — phospholipid bilayer with embedded proteins
  B. Selective permeability: small nonpolar molecules cross freely
II. Transport
  A. Passive: diffusion, osmosis, facilitated diffusion (no ATP)
  B. Active: pumps move solutes against gradient (ATP required)
  KEY: Hypertonic solution → cell shrinks (crenation). Likely MCQ trap.
III. Endosymbiotic Theory — mitochondria/chloroplasts have own DNA, double membrane.

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Subject Topic

Studying for the PMP exam, focusing on the Planning process group: scope management, work breakdown structures, critical path method, and risk register creation.

Study Format

flashcard-style

Depth

comprehensive

Exam Type

multiple-choice

Saída (trecho)

FRONT: What is the critical path?
BACK: The longest sequence of dependent activities; determines the shortest possible project duration. Activities on it have zero float.

FRONT: What goes in a risk register?
BACK: Identified risks, probability, impact, risk score, owner, and planned responses (avoid, transfer, mitigate, accept).

FRONT: Difference between scope creep and gold plating?
BACK: Scope creep = uncontrolled changes; gold plating = team adds unrequested extras.

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Subject Topic

The causes and consequences of the French Revolution (1789-1799) for a college history final. Need to understand Enlightenment influences, the financial crisis under Louis XVI, the storming of the Bastille, the Reign of Terror, and the rise of Napoleon.

Study Format

summary

Depth

comprehensive

Exam Type

essay

Saída (trecho)

The French Revolution erupted from converging pressures: Enlightenment ideals of liberty and equality (Rousseau, Voltaire), a bankrupt monarchy after costly wars, and a rigid estate system burdening the Third Estate. The 1789 storming of the Bastille symbolized popular revolt. Radicalization under the Jacobins produced the Reign of Terror (1793-94), where the Committee of Public Safety executed thousands. Instability ultimately enabled Napoleon's 1799 coup, ending the Revolution while exporting its reforms across Europe.