CHAMBERLAIN MICROBIOLOGY Exam 2 2025
Prep Test Bank with 300 QUESTIONS WITH
CORRECT DETAILED ANSWERS &
RATIONALES | ATI RN COMPREHENSIVE
PREDICTOR WITH NGN LATEST VERSION
Examine the nucleotide sequence below and select the FALSE statement:
5' ATGGCTCCUGGAAATTTTCGCTGA 3'
A: The start codon is ATG
B: there are 8 codons in this sequence
C: This sequence would code for 16 amino acids
D: ATG would code for MET - Correct Answer :C: This sequence would code for
16 amino acids
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, CHAMBERLAIN MICROBIOLOGY Exam
DNA replication
A: involves RNA synthesis
B: is conservative
C: is semiconservative
D: does not require DNA polymerase - Correct Answer :C: is semiconservative
All genetic material of an organism:
A: gene
B: RNA
C: genome
D: nucleotides - Correct Answer :C: genome
The central dogma of molecular biology deals with:
A: DNA replication
B: flow of genetic information
C: transcription and translation
D: all of the above - Correct Answer :D: all of the above
A gene is best defined as:
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, CHAMBERLAIN MICROBIOLOGY Exam
A: transcribed unit of DNA
B: segment of DNA
C: sequence of nucleotides in DNA that codes for a functional product
D: three nucleotides that code for an amino acid
E: a sequence of nucleotides in RNA that codes for a functional product -
Correct Answer :C: sequence of nucleotides in DNA that codes for a functional
product
Among the microorganisms, various genomes can include:
A: chromosomes
B: chloroplast DNA
C: plasmids
D: mitochondial DNA
E: all of the choices are correct - Correct Answer :E: all of the choices are correct
Which of the following can be used when analyzing DNA?
A: gel electrophoresis
B: Polymerase chain reaction
C: recombinant DNA technology
D: A and B only
E: A, B, and C can be used - Correct Answer :E
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, CHAMBERLAIN MICROBIOLOGY Exam
Compared to gyrase, DNA polymerase III:
A: adds new bases and proofreads new DNA
B: removes primer
C: joins okozaki fragments
D: unzips the DNA helix
E: synthesizes primer - Correct Answer :A: adds new bases and proofreads new
DNA
Which of the following does not pertain to transcription?
A: proceeds in the 5' to 3' direction of the growing mRNA
B: requires RNA polymerase
C: occurs on a ribosome in the cytoplasm
D: requires a template DNA strand
E: occurs before translation - Correct Answer :C: occurs on a ribosome in the
cytoplasm
Which of the following is true?
A: bacteria generally have single circular chromosome
B: chromosomes are the condensed form of DNA and proteins associated with
it
C: eukaryotes have linear chromosomes
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