Zadanie 3a
State the tested concentration most effective at limiting browning.
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State the tested concentration most effective at limiting browning.
State one condition to keep constant across samples.
Outline how each treatment could prevent browning: (i) applying lemon juice; (ii) covering the surface tightly with plastic film.
Which description fits the labelled regions of the membrane lipid? A. Both regions carry the same exposed negative charge B. X interacts with water; Y is non-polar C. X avoids water; Y is an ionic phosphate group D. X is a hydrocarbon chain; Y is water-soluble
Identify the trophic level of C.
Sketch an energy pyramid for A, B, C and D.
State two sources supplying energy to X.
Explain why only a small amount of energy passes to the next consumer level, excluding the transfers shown to X.
Identify the pigment most soluble in the solvent used.
Describe how such a chromatogram can be obtained.