PLEASE HELP, THIS IS FOR A TIMED FINAL What is the role of RNA polymerase in transcription?
Select one:
a. It binds to the promoter region of a gene and adds new nucleotides to the growing end of nascent mRNA.
b. It binds to the promoter region of a gene and terminates the process of transcription.
c. It binds to the coding region and adds nucleotides to the growing end of the DNA.

Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.

When elements that form a mineral dissolve in hot water, they form a mixture called a(n) a)geode b)vein c)evaporation d)crystallization e)magma f)lava g)solution h)gem

Which law represents a balanced chemical equation?