Which of the following statements is true? question 5 options: a. a promoter determines whether a gene is expressed. b. an expressed gene is turned off. c. proteins that bind to regulatory sites on dna determine whether a gene is expressed. d. rna polymerase regulates gene expression.

Question 4 using myplate's daily food plant for 2000 kilocalories as a reference, the servings from the protein foods group in this menu are a. adequate overall, and consistent with the dietary guidelines 2010 recommendations. b. short 2 ounce equivalents. c. inadequate in terms of the recommendations for a 2000 kcal diet. d. adequate overall, but inconsistent with the dietary guidelines 2010 recommendations.

Which of the following claims does the author support the least

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms