The correct answer is<u> A. shallow roots that do not reach the frozen soil</u>
Explanation:
The tundra is known for its lack of trees. The short summer season results in a short growing season, which makes it difficult for trees to grow larger. The cold temperature of the permafrost also makes decomposition slower, which limits the amount of nutrients being cycled through the environment.
In glucose the hydroxyl group at carbon four is below the plane of the ring. In galactose the hydroxyl group at carbon four is above the plane of the ring.
Answer: Catabolic inhibition techniques of operons for utilization of different sugars may differ among various strains of yeast, thereby favoring initiation of transcription in one yeast strain over another depending on the sugar.
