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Bates Microbio-18y

Microbiology Final-Exam 2-Multiple Choice

QuestionAnswer
In E. coli, the genetic material is composed of ____. a) circular, double-straded DNA b) Linear, double-stranded DNA c) RNA & protein d) circular, double-stranded RNA e) polypeptide chains a) circular, double-straded DNA
What is the start codon in both prokaryotes and eukaryotes? What amino acid is recruited by this triplet? a) UAA; no amino acid called in b) UAA or UGA; arginine c) AUG; arginine d) AUG; methionine e) UAA; methionine d) AUG; methionine
Which of the following contains the three posttranscriptional modifications often seen in the mature mRNA in eukaryotes? a) 5'-cappin, 3'-poly(A) tail addition, splicing exons, removing introns. b) 5'-poly (A) tail addition, insertion of introns, cap a) 5'-cappin, 3'-poly(A) tail addition, splicing exons, removing introns.
Which of the following terms refers to the inhibtion of microbial growth? a) germocide b) Bacteriostasis c) Sanitation d) Degerming d) degerming
Bacteria resproduces by? a) Mitosis b) Meiosis c) Binary fisssion d) Hoirzontal gene transfer c) Binary fissio
Which of the following process would process would prokaryotes use to produce genetically idential cells? a) Transposons b) Transduction c) Birnary fission d) Meiosis e) Sexual reproduction c) Birnary fission
Created by: arichardson_14
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