Choose one part of the Earth system- water, air, rock, or life- and describe how the other parts might be effected if the first part were removed.

15 ! come and answer! a(n) disease is caused by a pathogen and can spread among organisms. a infectious b noninfectious c toxic d contaminated

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other

Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation