4.
enzymes in the human body work in a very wide range of conditions.

true

false
5.
a chemical reaction will change one substance into another by

dissolving a solute into solution

changing the nucleus of the atoms

breaking and forming chemical bonds

tightening the electrons inside atoms of elements

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.