According to the Ratio Principle, _____

question 1

Multiple Choice

 According to the ratio principle, _____.

• A) lightness constancy will occur as long as the ratio of light reflected from a white surface and a black surface remain constant?
• B) lightness constancy will occur if the ratio of light reflected from a white surface and a black surface increases as the overall light intensity increases
• C) lightness constancy will occur if the ratio of light reflected from a white surface and a black surface decreases as the overall light intensity increases
• D) lightness constancy cannot occur unless there are pre-existing cortical abnormalities

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Definitions:

Bradykinin

A peptide that causes blood vessels to dilate (enlarge), resulting in a drop in blood pressure and increased pain sensitivity.

Nonapeptide

A peptide consisting of nine amino acid residues.

Edman Degradation

A method of sequencing amino acids in a peptide by stepwise removal of one amino acid at a time from the amino end of the peptide.

Benzyl Chloroformate

An organic compound used as a reagent in the synthesis of peptides, characterized by the presence of a benzyl group attached to chloroformate.