Which of the following statements is true about gene regulation in prokaryotes? a) promoters determine whether a gene is expressed b) expressed genes make more dna c) dna-binding proteins determine whether a gene is expressed d) rna polymerase regulates gene expression

the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue

answer; ///i believe the correct answer is (