How are molecules of sucrose held together to form a grain of sugar?

Is there any solid scientific evidence that humans have been cloned?

Migration is a. the movement of organisms from a native location to a foreign location b. the movement of organisms from a foreign location to a native location the movement of organisms from their water supply to their food supply d. the seasonal movement of organisms between locations c. select the best answer from above

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated