Lab is important. Practice precise use of scientific terminology. Get in the habit of drawing structures. On numerical problems think about an intuitive approach to check your answer. If the question calls for cause and effect reasoning make sure you have done more than restate the question.
Correct answers are in red.
You may consult ONLY 2 sheets of your handwritten notes. All charged tRNAs must enter the ribosome, base pair with the mRNA, and allow formation of the new peptide bond. The 3' end of the growing chain attacks the innermost phosphate of the incoming nucleotide triphosphate. Many anticancer and antiviral drugs contain nucleotide triphosphates whose 3' OH groups have been replaced with other functional groups. The energy only depends the splitting of the phosphate oxygen bond .