Cells in the human eye send nerve impulses to the brain that cause the pupil to constrict. this an example of an example of a reaction to what kind of stimuli?

a. chemicals
b. light
c. touch
d. sound

16. which of the following accurately describes a step within transcription? a. dna polymerase uses one strand of rna as a template to put together nucleotides. b. the dna strand is used as a template for which a complementary rna strand can be produced. c. the rna strand forms a template by which dna can be built. d. the rna strand is produced within the cytoplasm.