In this process, ring-like occur pushing the contents into the next part of the tube which is . this process is similar to squeezing toothpaste out of a tube.

What is the number of phosphates in an atp molecule

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called