State two procedures that must be followed to obtain valid results when measuring conc. of sucrose in potato discs.
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Card 7
Front
Explain how a student could use data in a table showing conc.of sucrose and mass of potato to determine water potential.
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Card 8
Front
What would be found in the cytoplasm of the immersed potato cells?
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Card 9
Front
Suggest and explain how root hairs of halophytes(live in low water potential) are able to absorb water by osmosis on sea salt marsh.
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Card 10
Front
What type of chemical reaction takes place when two nucleotides in a single polynucleotide strand are joined together?
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Card 11
Front
What is the name of the chemical release when the bond is formed between two nucleotides?
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Card 12
Front
A DNA molecule contains two polynucleotide chains. Describe how these chains are held together.
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Card 13
Front
Suggest the effects that the contraction of smooth muscle in walls of airways has on ventilation.
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Card 14
Front
What breathing instruction would be given to someone who's vital capacity was being measured?
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Card 15
Front
Using your knowledge of the formation of structural polysaccharides, describe the formation of the chitin molecule from its monomer and predict the structure.
