Paper Chromatography Is a Technique Used to Separate Molecules Based

question 42

Multiple Choice

Paper chromatography is a technique used to separate molecules based upon their size and solubility in a particular solvent. If pigments from a particular species of plant are extracted and subjected to paper chromatography, which of the following results is most likely?

• A) Paper chromatography would produce a single band of pigment that is characteristic of that particular plant.
• B) Paper chromatography would separate the pigments into two bands that appear green.
• C) Paper chromatography would separate the pigments into several bands that appear green or yellow/orange.
• D) Paper chromatography would separate the pigments into two bands, one that appears blue and one that appears red.

Distinguish between different geological formations such as granitic intrusions, salt domes, diamond pipes, and volcanic necks.

Apply knowledge of geological features to speculate on the presence of specific energy resources at given locations.

Explain the concept and significance of the facial feedback hypothesis in understanding emotions.

Understand and articulate the principles of self-determination theory.

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Definitions:

Cohort

A group of individuals of the same age within a population, tracked over a period of time for epidemiological or statistical analysis.

Lusaka, Zambia

The capital city of Zambia, known as a commercial and political center of the country.

Nonsynonymous Mutation

A type of DNA mutation that results in a change in the amino acid sequence of a protein.

Genetic Drift

The process by which allele frequencies in a population change due to chance events, affecting small populations more significantly.