Where is the active site located on the enzyme?

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

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.