The Appalachians are older than the Rockies, and they are weathered and smooth. The Rockies are jagged and rough. The Appalachian mountains are covered with trees and brush, and many of the Rocky mountains are bare rock.
The Appalachians are older than the Rockies, and they are weathered and smooth. The Rockies are jagged and rough. The Appalachian mountains are covered with trees and brush, and many of the Rocky mountains are bare rock.
Settlers had a rough time crossing the rugged Appalachian Mountains.
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The endoplasmic reticulum (ER) serves as a pathway for the transport of materials throughout the cell. It is also involved in protein synthesis and lipid metabolism. The smooth ER is involved in lipid synthesis and detoxification, while the rough ER is involved in protein synthesis.
An attached ribosome synthesizes proteins destined for the secretory pathway directly into the rough endoplasmic reticulum.
Very rough and dangerous
Very rough and dangerous
Mountain biking is often done on rough terrain, yes, but it does not have to be. It is a sport that takes place off-road, generally.
Mountain bikes can typically go between 10 to 20 miles per hour when ridden on rough terrain.
A mountain bike typically goes around 10-20 miles per hour when ridden on rough terrain.
The Sierra Madre mountain ranges.