Medical School MD + DO Mastery

A 4-year, board-aligned study system for medical school and licensing exams.

Walk the full Year 1–4 curriculum — foundational sciences, organ-system blocks, clinical clerkships and advanced practice — each with mastery checklists and linked learning resources, plus a dedicated review system for school exams, Shelf/COMAT, USMLE Step 1–3 and COMLEX-USA Levels 1–3.

CELL & MOLECULAR BIOLOGY + GENETICS

YEAR 1 | PAGE 9A - CELL STRUCTURE, TRANSPORT & CELL-CYCLE MASTERY

Build the cell as a working system: MEMBRANE/TRANSPORT -> ORGANELLES -> CYTOSKELETON -> CELL CYCLE -> SIGNALS/CHECKPOINTS -> CELL DEATH. For every structure, connect normal function to the disease produced when that function fails.

A. DEEP CELL-BIOLOGY VIDEOS - DIRECT VIDEO PAGES

#VideoTimeWhyLink
1.Cell Structure & Function - Ninja Nerd~56 minA comprehensive cell map: nucleus, ER, Golgi, membrane, lysosomes, peroxisomes, mitochondria, ribosomes and cytoskeleton.Open →
2.Passive & Active Transport / Endocytosis & Exocytosis - Ninja Nerd~83 minDiffusion, channels/carriers, primary/secondary active transport and vesicular trafficking; excellent bridge into physiology.Open →
3.Cell Cycle: Interphase & Mitosis - Ninja Nerd~47 minG1/S/G2/M, mitotic phases and the logic of chromosome segregation; prerequisite for cancer genetics and antineoplastic drugs.Open →
4.Cell Cycle Regulation - Ninja Nerd~40 minCyclins/CDKs, checkpoints, tumor suppressors, growth signals, apoptosis and genomic stability.Open →
5.Mitochondria Structure & Function - Ninja Nerd~34 minStructure, transport, ETC integration and mitochondrial metabolism; connect organelle biology to inheritance and disease.Open →
6.Lysosomes Structure & Function - Ninja Nerd~29 minAcid hydrolases, autophagy, phagolysosomes and storage-disease logic from organelle dysfunction.Open →

A. DEEP CELL-BIOLOGY VIDEOS - DIRECT VIDEO PAGES — CELL-BIOLOGY CLOSED-BOOK CHECK

  • Draw a cell and label organelles, cytoskeletal elements, junctions and trafficking routes from memory.
  • Predict what happens when a channel, pump, receptor, organelle or cytoskeletal component fails.
  • Reconstruct G1/S/G2/M and explain which checkpoint, cyclin/CDK or tumor suppressor is being tested in a vignette.
  • Link mitochondrial/lysosomal/peroxisomal dysfunction to inheritance pattern, biochemical consequence and organ-level phenotype. VIDEO-FIRST | SCHOOL-EXAM + BOARD-EXAM MASTERY