The figure shows a simple metabolic pathway.
-If A, B, and C are all required for growth, a strain that is mutant for the gene-encoding enzyme A would be able to grow on medium supplemented with which of the following nutrient(s) ?
Definitions:
Brightness Constancy
the human visual system's ability to recognize the brightness of an object regardless of the amount of light it reflects.
Color Constancy
The perceptual phenomenon in which the colors of objects appear largely unchanged under varying lighting conditions.
Relative Luminance
A measure of the brightness of a color or light source in comparison to a reference white or bright source under identical viewing conditions.
Perceptual Organization
The psychological processes that enable individuals to perceive patterns, and structure in the environment, making sense of the world through visual, auditory, and other sensory information.
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