Cell Biology PASS / LAS (Pre-Med) Revision Sheets
PASS UE2 covers cell biology, histology and embryology. It studies the structure and function of the eukaryotic cell, tissue organization, and human embryonic development.
Cell Biology curriculum in PASS / LAS (Pre-Med)
The curriculum covers the plasma membrane and its transport, the nucleus and chromatin, the cytoskeleton, organelles (mitochondria, ER, Golgi, lysosomes), cell cycle and its regulation, mitosis and meiosis. Histology classifies the four fundamental tissues (epithelial, connective, muscular, nervous). Embryology follows development from fertilization to the 8th week.
How to study cell biology in PASS / LAS (Pre-Med)?
3 simple steps for effective cell biology revision.
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Tips to succeed in cell biology PASS / LAS (Pre-Med)
Diagrams are worth 1000 words: redraw the cell, the cell cycle, and gastrulation until you can sketch them with your eyes closed
Histology requires visual recognition: practice on histological section photos with a 30-second timer per image
For embryology, build a week-by-week timeline: this is the format the concours systematically tests
Link cell biology to physiology: understanding WHY a membrane is polarized saves you from memorizing 50 transporters separately
FAQ — Cell Biology PASS / LAS (Pre-Med)
What's the difference between cell biology and histology in PASS?
Cell biology studies the isolated cell (membrane, organelles, division, signaling). Histology studies how cells organize into tissues (epithelial, connective, muscular, nervous) and how those tissues form organs. Both are grouped in UE2 but represent two complementary scales of analysis: from microscopic (cell) to macroscopic (organ).
Is embryology difficult in PASS?
Embryology isn't conceptually difficult but requires precise chronological memorization: what happens at day 0 (fertilization), day 6-7 (implantation), week 3 (gastrulation), week 4 (neurulation), etc. The most effective method is an annotated timeline with diagrams. A common exam trap is confusion between embryonic layers (ectoderm, mesoderm, endoderm) and their derivatives.
How do I efficiently revise the cell cycle for the PASS exam?
The cell cycle is a high-yield topic: simple structure (G1, S, G2, M), classic regulation (cyclins/CDKs at G1/S and G2/M checkpoints), inhibitors (p53, p21, p27). Make a single sheet with the cycle diagram, active cyclin/CDK complexes per phase, and consequences of dysregulation (cancers). Thirty targeted MCQs are enough to master this chapter.
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