Answer: there were few valleys 375 million years ago because during the acadian orogeny, the tectonic plates collided, forming mountains. This habitat was often snowy and cold at the summits of the mountains, and warmer and rocky in the foothills.
Explanation:
Answer:
Some of the other process of gene expression
Explanation:
If the tRNA and rRNA levels are normal we can assume that the translation machinery is working properly. So, this suggest that the defect might appear in some of the previous steps of gene expression: replication, transcription, mRNA processing.
Gene expression is a set of processes that occur in the cell and that use information from the genetic material (gene) to produce gene product (e.g. protein). Gene expression is highly controlled and regulated because it is critical for an organism's development.
Answer:B
Explanation:Mellonie cleared her throat before the presentation because she was nervous
