Astudent used a stick to model elastic rebound. the student bent the stick
without breaking it and then let the stick go. in its final state, what does the
stick represent in the student's model?
a. a seismic wave
b. a fault formed
c. the rock's original shape
d. the rock's deformed shape

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

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

Restriction enzymes are used in making recombinant dna. describe the role restriction enzymes perform when constructing recombinant dna.