Biology, 17.12.2020 04:20, GreenHerbz206
Which of the following is not the factor that determines the Rf of pigments in paper chromatography?
A) the hydrophobicity of a pigment
B) the molecular weight of a pigment
C) the solubility of a pigment to the chromatography solvent
D) the affinity of a pigment to the cellulose fiber of the paper.
Answers: 2
Biology, 22.06.2019 07:30, china2221
The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?
Answers: 1
Biology, 22.06.2019 15:00, NeverEndingCycle
The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.
Answers: 1
Biology, 22.06.2019 16:30, pricillakalaniuvalu
The punnett square predicts the ratio of genotypes in the offspring, based on the genotypes of the parents. in this cross, tallness (h) is dominant to shortness (h). based on the punnett square, what is the phenotype of the offspring? hh hh tall short
Answers: 1
Which of the following is not the factor that determines the Rf of pigments in paper chromatography?...
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