Micro 260 Exam 3, LCC Microbiology with Updated Questions and Answers 100% Excel Already Graded A+

Micro 260 Exam 3, LCC Microbiology with Updated Questions and Answers 100% Excel Already Graded A+ The process of building a mRNA molecule using DNA as a template is called A) replication B) translation C) transcription D) protein synthesis - CORRECT ANSWER-C) transcription Which of the following are the "building blocks" of proteins? A) monosaccharides B) nucleotides C) amino acids D) fatty acids - CORRECT ANSWER-C) amino acids Which of the following statements about DNA is (are) true? A) DNA molecules contain deoxyribose B) All of the statements are true C) DNA contains thymine but not uracil D) Adenine on one strand will be connected to thymine on the complimentary strand E) Within cells, DNA molecules are usually double-stranded - CORRECT ANSWER-B) all of these statements are true Which of the following pairs is mismatched? B) RNA polymerase - makes a molecule of DNA from an RNA template C) DNA helicase - unwinds the double helix D) DNA polymerase - makes a molecule of DNA from a DNA template E) RNA primase - adds RNA primers during replication - CORRECT ANSWER-A) RNA Polymerase If a codon on mRNA has a base sequence of AGU, the complementary anticodon would be A) TCA on DNA B) UCA on tRNA C) TCA on rRNA D) UCA on mRNA - CORRECT ANSWER-B) UCA on tRNA Thymine dimers are a common mutation resulting from A) mutagenic chemicals B) spontaneous mutations C) frameshift mutation D) ultraviolet light - CORRECT ANSWER-D) ultraviolet light If the sequence of bases on the template strand of DNA is 3' CCTACGGACGA 5', what is the sequence of bases on the complimentary DNA strand? (Type your answer in the same format: beginning with 5', using capital letters and including spaces) This segment of DNA is from the beginning of a gene. - CORRECT ANSWER-5' GGATGCCTGCT 3' GGATGCCTGCT 5' GGATGCCTGCT