What of the following happens first? A) Introns are edited out of premature RNA
B) RNA polymerase reaches a terminator region
C) Nucleotides are covalently linked together
D) RNA polymerase binds to a promoter region of DNA

Which class of molecules contains the amino group, nh2 (a) sugars (b) water (c) proteins (d) hydrocarbons

Which of the following are true about bacteria? select all that apply. bacteria are all around you. bacteria can or harmful. bacteria are multicellular organisms. bacteria can only be found on the human body.

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells