The big bang theory states that the universe began with a gigantic explosion ?

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.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?

What factors contribute to the effect an environmental toxin has on the human body?