Ap Biology Semester 1 Review Study Guide Questions And Correct Answers

mRNA - function and structure {Ans: provides the instructions for assembling amino acids into a polypeptide chain; linear; nucleotides are codons}oxidation {Ans: the loss of an electron}In gel electrophoresis, smaller fragments move {Ans: faster towards the postive end}Tetrads {Ans: the paired chromosomes consisting of four chromatids}spliceosome {Ans: A complex assembly that interacts with the ends of an RNA intron in splicing RNA, releasing the intron and joining the two adjacent exons.}pH {Ans: indicates concentration of hydrogen ions in a solution (the more H+ ions a solution produces, the lower its pH; pH scale- less than 7 is acidic, 7 is neutral, above 7 is basic)}