During rna processing a(n) is added to the 5' end of the rna. a. 3' untranslated region b. long string of adenine nucleotides c. 5' untranslated region d. coding segment e. modified guanine nucleotide

Which of the following substances is not involved in the chemical reaction that pro- duces smog? a. sunlight b. particulate matter c. automotive exhaust d. ozone

Which type of bacterial reproduction is depicted in the diagram?

Plz ! cattle ranchers and dairy farmers rarely allow all of their animals to reproduce instead they practice selective breeding and only encourage the reproduction of animals with specific features. which of the following cows would a dairy farm most likely choose to reproduce? a. a cow that makes a lot of milk. b. a cow that can run quickly. c. a cow with a think, soft fur. d. a cow with large, strong hooves.