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Comparing C3 and C4 plants in the lab
What would be suitable small plants to use for a comparison of C3 and C4 plants for an A-level investigation?
Questions about coconuts
Is a coconut a fruit, vegetable or a nut? Where do they originate from?
How does sugar affect yeast growth?
Plants, waste compounds and the vacuole
How do plants get rid of their waste ?
Respiration in plants
How and why do plants respire?
Why is a beetroot red?
A standard A-level biology practical is to examine the effect of temperature on membrane stability in beetroot, assessed by the degree of pigment leakage. But what is this pigment, and what function does it serve?
Can you give me some information on Xerophytes?
How does a colorimeter work?
Determining Km and Vmax
How do I use Michaelis-Menten and Lineweaver-Burk plots to determine Km and Vmax?
Catalase in potatoes
What is the optimum temperature for catalase from a potato? What temperature does it become denatured?
Factors that affect the rate of photosynthesis
What factor most affects the rate of photosynthesis?
Some physical differences between sun and shade plants
What is the physical difference between plants that grow in the direct sunlight and those that grow in the shade?
What is 'Totipotency'? Three different answers from different points of view.
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