In addition to lactose, other sugars show little or no utilization in the presence of glucose. The utilization of many of these sugars (xylitol, arabinose, sorbitol, etc) requires proteins whose genes are found in operons. What feature would all of these operons share if they are being regulated by glucose levels

1. b.

2. d.

3. a.

5. d.

6. c.

these are the only ones that i know, i hope this , and good luck.

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phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.