Front | Potometer and precautions 3.1.3(c) |
---|---|
Back | Measures Rate of water uptake (transpiration) - Make sure all joints sealed with waterproof jelly (so water only lost at stem/leaves) - cut stem underwater to prevent introducing air bubbles - make sure stem/ leaves not wet otherwise interferes with results - seals have to be air tight, and air reservoir pushes air bubbles back to position |
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Potato blight 4.1.1(a fungus-like protoctist hyphae penetrate host
Previous card: Examples drugs living organisms 4.1.1(m aspirin digoxin penicillin
Up to card list: OCR A Biology