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عرض معاينة الإدخال والإخراج
الإدخال
- Subject Topic
- 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
الإخراج (مقتطف)
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.