The difference between an endothermic reaction and an exothermic reaction is that in an endothermic reaction heat is and in an exothermic reaction heat is .

A) absorbed, released
B) released, absorbed
C) created, destroyed
Eliminate
D) destroyed, created

S

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

Aflashlight produces light using energy from the batteries. in which order does the energy change form? a. from chemical to electric to light energy b. from electric to light to chemical energy c. from electric to chemical to light energy d. from light to electric to chemical energy