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Design of experiments to test hypothesis about factors affecting germination.

Firstly outline the factors needed for seed germinination: There are 3 essential conditions required for a seed to germinate - a seed will not germinate until these external conditions are met . They are: Wa...
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How does DNA replication occur in eukaryotes?

DNA replication involves a ‘complex system of enzymes'. DNA replication is semiconservative (1 stand of the original 2 stranded piece of DNA is conserved) It is a complex process involving many enzymes and w...
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what are three ways plants can conserve water in dry conditions?

thicker waxy cuticles rolled up leaves stomata in pits
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Describe how water is carried by the transpiration stream (7)

Transpiration is the water loss from the plant via evaporation. The transpiration stream is the flow of water through the plant xylem from the roots to the leaves of the plant. Xylem are thin tubes where the...
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Explain the difference between ventilation, gas exchange and cell respiration.

ventilation - achieved via breathing, the physical act of exchanging air between the lungs and the atmospheregas exchange - passive diffusion between alveoli and the bloodstream, resulting in the exchange of...
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