Some strains of bacterium streptococcus pyogenes secrete poisonous substances called exotoxins. the genes encoding the exotoxins are thought to have originated in bacteriophages, which are viruses that infect bacteria

Explain why plate tectonics is the scientific theory and a scientific law

Which form of water motion commonly causes natural disasters along shorelines

What is an example of a stimulus and a response that humans exhibit? Can a similar behavior be seen in any other organisms?

Two phenotypically normal mice produce a single f1 male progeny that is also phenotypically normal. this f1 male is mated with an igf2/igf2 female and ½ of the progeny are dwarf. where did the igf2m allele in the f2 progeny originate?

You just visit your doctor and he suggested that you're at risk for heart disease which type of lipid should you avoid eating large amount of

The organisms that breakdown organic wastes and remains of the dead into simpler substances that can be used by other organisms are known as

Technology can have good and bad affects. what is a bad effect spraying pesticides on crops with the use of airplanes?

Which statement below is false regarding ocean crust and continental crust? A: Ocean crust is more dense B: Continental crust is composed of only igneous rocks C: Ocean crust is younger D: Continental crust is older

Deer need food and water to survive. What are food and water for the deer population? carrying capacity limiting factors population growth scarce resources

Organisms in this kingdom are single celled and prokaryotic