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This method compares the density of stomata of mesophytes (most land plants) to xerophytes (adapted to dry conditions) through making leaf impressions.
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This practical procedure offers an entry-level activity comparing the number of stomata found on the upper and lower surfaces of leaves of Tradescantia zebrina.
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This guide outlines both how to observe stomata using three different methods including direct viewing, epidermal peel, and making a leaf impression. The second half the guide demonstrates how to open.. more
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Bulletin 187 - Autumn 2026- From the director- Log in updates- Who's who in the RPA service (including pull out poster)- Help I'm teaching science- Enzymes; getting the reaction right- The pore-fect w.. more
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This guide demonstrates how to set up both a bubble and mass potometer.
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A diagrammatic guide on how to get started with plants, outlining the key actions with links to associated guidance.
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Covers the fundamental activities that use plants, and includes advice on which plants to use and how to keep plants at school. 
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The Directors update on a range of issues including Cat 5 taps and WRAS regulations, CLEAPSS 2015 Technician Training Programme, information on genetic modfication of bacteria, genetic analysis of .. more
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A diagrammatic guide on how to get started with microscopy, outlining the key actions with links to associated guidance.
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Outlines general information on microscope slides and how to store them as well as a suggested system for managing a large collection. Guidance is also given on the disposal of prepared slides.
words matched: stomata

Showing results 1 to 10 of 14
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