ASU BIO 181 Exam 2 Questions and Answers 100% Verified

ASU BIO 181 Exam 2 Questions and Answers 100% Verified Which strand is produced more rapidly? - answerLeading strand During DNA replication in the lagging strand there is production of this component? - answerOkazaki fragment How many "stop" codons exist? - answer3 The double helix of DNA is wrapped about 1¾ times around which of these components? - answerNucleosome Which enzyme unwraps the double helix? - answerHelicase In the ribosome, what is the name of the bond that links one amino acid to the next? - answerpeptide bonds List the two basic categories of nitrogenous bases in nucleic acids. - answerpurine and pyrimidine In DNA, what does the nucleotide labeled as A pair with? - answerThymine During DNA replication is greatly reduced by enzymes that proof read the newly replicated DNA. - answerTrue How many hydrogen bonds are there between an A and its paired nucleotide? - answer2 During mRNA maturation what is the name of the part of the mRNA that is removed? - answerintrons DNA replication in eukaryotes is sped up by multiple origins of replication. - answertrue RNA synthesis, also called RNA transcription occurs in three phases. List them from beginning to end in order. - answerinitiation, elongation, termination Which nucleotide is different in RNA compared to DNA? - answeruridine There are two types of protein synthesis in eukaryotic cells. These two types can be distinguished because the polyribosome is either or . - answerfree; membrane bound In eukaryotic cells the start codon for protein synthesis is . - answerAug