Power Point Clicker Questions prepared by Bradley W
Power. Point® Clicker Questions prepared by Bradley W. Christian, Mc. Lennan Community College CHAPTER 8 Microbial Genetics © 2016 Pearson Education, Inc.
A segment of DNA that codes for a functional product is a(n) a) b) c) d) genetic code. gene. codon. anticodon. © 2016 Pearson Education, Inc.
A segment of DNA that codes for a functional product is a(n) a) b) c) d) genetic code. gene. codon. anticodon. © 2016 Pearson Education, Inc.
Which process converts one parental doublestranded DNA molecule to two identical offspring molecules? a) b) c) d) transformation transcription replication translation © 2016 Pearson Education, Inc.
Which process converts one parental doublestranded DNA molecule to two identical offspring molecules? a) b) c) d) transformation transcription replication translation © 2016 Pearson Education, Inc.
In DNA replication, the newly added nucleotide is joined to the growing DNA strand by a) b) c) d) DNA polymerase. RNA polymerase. DNA ligase. DNA gyrase. © 2016 Pearson Education, Inc.
In DNA replication, the newly added nucleotide is joined to the growing DNA strand by a) b) c) d) DNA polymerase. RNA polymerase. DNA ligase. DNA gyrase. © 2016 Pearson Education, Inc.
DNA polymerase adds new nucleotides ONLY to the ____ end of a DNA strand. a) b) c) d) 2′ 3′ 4′ 5′ © 2016 Pearson Education, Inc.
DNA polymerase adds new nucleotides ONLY to the ____ end of a DNA strand. a) b) c) d) 2′ 3′ 4′ 5′ © 2016 Pearson Education, Inc.
Which of the following enzymes joins DNA strands, joins Okazaki fragments, and mends gaps in the DNA backbone during excision repair? a) b) c) d) RNA polymerase DNA ligase DNA gyrase © 2016 Pearson Education, Inc.
Which of the following enzymes joins DNA strands, joins Okazaki fragments, and mends gaps in the DNA backbone during excision repair? a) b) c) d) RNA polymerase DNA ligase DNA gyrase © 2016 Pearson Education, Inc.
What carries the coded information for making specific proteins from DNA to ribosomes? a) b) c) d) m. RNA r. RNA t. RNA polymerase © 2016 Pearson Education, Inc.
What carries the coded information for making specific proteins from DNA to ribosomes? a) b) c) d) m. RNA r. RNA t. RNA polymerase © 2016 Pearson Education, Inc.
Which molecules recognize specific codons and transport amino acids? a) b) c) d) DNA m. RNA r. RNA t. RNA © 2016 Pearson Education, Inc.
Which molecules recognize specific codons and transport amino acids? a) b) c) d) DNA m. RNA r. RNA t. RNA © 2016 Pearson Education, Inc.
A group of three nucleotides on m. RNA is called a(n) a) b) c) d) codon. anticodon. exon. intron. © 2016 Pearson Education, Inc.
A group of three nucleotides on m. RNA is called a(n) a) b) c) d) codon. anticodon. exon. intron. © 2016 Pearson Education, Inc.
Transcription begins when RNA polymerase binds to the DNA at the a) b) c) d) intron. start codon. terminator. promoter. © 2016 Pearson Education, Inc.
Transcription begins when RNA polymerase binds to the DNA at the a) b) c) d) intron. start codon. terminator. promoter. © 2016 Pearson Education, Inc.
Of the 64 codons, how many are sense codons? a) b) c) d) 48 60 61 all of them © 2016 Pearson Education, Inc.
Of the 64 codons, how many are sense codons? a) b) c) d) 48 60 61 all of them © 2016 Pearson Education, Inc.
Between 60% and 80% of genes are NOT regulated, but are a) b) c) d) constitutive. continuous. degenerative. repressed. © 2016 Pearson Education, Inc.
Between 60% and 80% of genes are NOT regulated, but are a) b) c) d) constitutive. continuous. degenerative. repressed. © 2016 Pearson Education, Inc.
What is the process that turns on the transcription of a gene or genes? a) b) c) d) induction repression translation replication © 2016 Pearson Education, Inc.
What is the process that turns on the transcription of a gene or genes? a) b) c) d) induction repression translation replication © 2016 Pearson Education, Inc.
A set of operator and promoter sites and the structural genes they control defines a(n) a) b) c) d) repressor. operon. inducer. recombinant. © 2016 Pearson Education, Inc.
A set of operator and promoter sites and the structural genes they control defines a(n) a) b) c) d) repressor. operon. inducer. recombinant. © 2016 Pearson Education, Inc.
Inhibition of the metabolism of alternative carbon sources by glucose is called a) b) c) d) induction. epigenetic control. corepression. catabolite repression. © 2016 Pearson Education, Inc.
Inhibition of the metabolism of alternative carbon sources by glucose is called a) b) c) d) induction. epigenetic control. corepression. catabolite repression. © 2016 Pearson Education, Inc.
Single-stranded RNA molecules that inhibit protein production in eukaryotic cells are known as a) b) c) d) t. RNAs. micro. RNAs. r. RNAs. © 2016 Pearson Education, Inc.
Single-stranded RNA molecules that inhibit protein production in eukaryotic cells are known as a) b) c) d) t. RNAs. micro. RNAs. r. RNAs. © 2016 Pearson Education, Inc.
Ionizing radiation causes a) b) c) d) insertions and deletions. thymine dimers. nitrogenous base substitutions. DNA strand breaks. © 2016 Pearson Education, Inc.
Ionizing radiation causes a) b) c) d) insertions and deletions. thymine dimers. nitrogenous base substitutions. DNA strand breaks. © 2016 Pearson Education, Inc.
Thymine dimers can be repaired by light-repair enzymes known as a) b) c) d) ligases. gyrases. methylases. photolyases. © 2016 Pearson Education, Inc.
Thymine dimers can be repaired by light-repair enzymes known as a) b) c) d) ligases. gyrases. methylases. photolyases. © 2016 Pearson Education, Inc.
What is the MOST common type of mutation involving single base pairs? a) b) c) d) frameshift mutation nonsense mutation missense mutation base substitution © 2016 Pearson Education, Inc.
What is the MOST common type of mutation involving single base pairs? a) b) c) d) frameshift mutation nonsense mutation missense mutation base substitution © 2016 Pearson Education, Inc.
Mutations in which one or a few nucleotide pairs are deleted or inserted in the DNA are called a) b) c) d) nonsense mutations. frameshift mutations. point mutations. base-pair mutations. © 2016 Pearson Education, Inc.
Mutations in which one or a few nucleotide pairs are deleted or inserted in the DNA are called a) b) c) d) nonsense mutations. frameshift mutations. point mutations. base-pair mutations. © 2016 Pearson Education, Inc.
Approximately what percentage of substances found by the Ames test to be mutagenic are also carcinogenic in animals? a) b) c) d) 100% 90% 45% 10% © 2016 Pearson Education, Inc.
Approximately what percentage of substances found by the Ames test to be mutagenic are also carcinogenic in animals? a) b) c) d) 100% 90% 45% 10% © 2016 Pearson Education, Inc.
The process of bacteria passing their genes to other microbes of the same generation is known as a) b) c) d) mitosis. vertical gene transfer. horizontal gene transfer. crossing over. © 2016 Pearson Education, Inc.
The process of bacteria passing their genes to other microbes of the same generation is known as a) b) c) d) mitosis. vertical gene transfer. horizontal gene transfer. crossing over. © 2016 Pearson Education, Inc.
Transformation is the transfer of DNA from a donor to a recipient cell a) b) c) d) by a bacteriophage. as naked DNA in solution. by sexual reproduction. by crossing over. © 2016 Pearson Education, Inc.
Transformation is the transfer of DNA from a donor to a recipient cell a) b) c) d) by a bacteriophage. as naked DNA in solution. by sexual reproduction. by crossing over. © 2016 Pearson Education, Inc.
The process in which bacterial DNA is transferred from a donor cell to a recipient cell inside a bacteriophage is called a) b) c) d) conjugation. transduction. crossing over. transformation. © 2016 Pearson Education, Inc.
The process in which bacterial DNA is transferred from a donor cell to a recipient cell inside a bacteriophage is called a) b) c) d) conjugation. transduction. crossing over. transformation. © 2016 Pearson Education, Inc.
The process for gene transfer which requires cell-to-cell contact and a particular type of plasmid is called a) b) c) d) conjugation. transduction. crossing over. transformation. © 2016 Pearson Education, Inc.
The process for gene transfer which requires cell-to-cell contact and a particular type of plasmid is called a) b) c) d) conjugation. transduction. crossing over. transformation. © 2016 Pearson Education, Inc.
Which type of plasmids carry genes for sex pili and for the transfer of the plasmid to another cell? a) b) c) d) dissimilation plasmids bacteriocin plasmids conjugative plasmids transposons © 2016 Pearson Education, Inc.
Which type of plasmids carry genes for sex pili and for the transfer of the plasmid to another cell? a) b) c) d) dissimilation plasmids bacteriocin plasmids conjugative plasmids transposons © 2016 Pearson Education, Inc.
What are the small segments of DNA that can move from one region of a DNA molecule to another? a) b) c) d) operons transposons plasmids micro. RNAs © 2016 Pearson Education, Inc.
What are the small segments of DNA that can move from one region of a DNA molecule to another? a) b) c) d) operons transposons plasmids micro. RNAs © 2016 Pearson Education, Inc.
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