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ASU MIC 205 PENTON EXAM WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS |ALREADY GRADED A+|BRAND NEW VERSION!!! |GUARANTEED PASS|LATEST UPDATE$21.49
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ASU MIC 205 PENTON EXAM WITH ACTUAL CORRECT QUESTIONS AND VERIFIED DETAILED ANSWERS |FREQUENTLY TESTED QUESTIONS AND SOLUTIONS |ALREADY GRADED A+|BRAND NEW VERSION!!! |GUARANTEED PASS|LATEST UPDATE
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ASU MIC 205 PENTON
Institution
ASU MIC 205 PENTON
ASU MIC 205 PENTON EXAM WITH
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTIONS |ALREADY GRADED A+|BRAND
NEW VERSION!!! |GUARANTEED
PASS|LATEST UPDATE
ASU MIC 205 PENTON EXAM 2 2024-2025 WITH
ACTUAL CORRECT QUESTIONS AND
VERIFIED DETAILED ANSWERS
|FREQUENTLY TESTED QUESTIONS AND
SOLUTIONS |ALREADY GRADED A+|BRAND
NEW VERSION!!! |GUARANTEED
PASS|LATEST UPDATE
DNA replication of prokaryotes begins at a ____ _____ ____ which is a specific site on a bacterial
chromosome.
origin of replication
DNA replication goes around both directions from the origin which is called _____ _____.
bidirectional replication
What molecule does bacteria use in DNA replication to help with strain by removing kinks in DNA?
Topoisomerase
What type of genes are usually 3/4 in number being expressed at one time?
house keeping genes
What describes a group of genes with similar functions, whose expression is regulated by a promoter
and operator?
operons
What molecule carries the information for several genes that will eventually get translated into several
proteins?
polycistronic mRNA
What type of operon must be activated by an inducer? Lactose operon is an example.
inducible operon
In a lactose operon, the regulatory gene goes through transcription and translation to produce a
repressor. If ____ ____ is present, the repressor binds to the DNA and prevents enzymes for lactose
catabolism to be made.
no lactose
1|Page
,n a lactose operon, the regulatory gene goes through transcription and translation to produce a
repressor. If _____ is present, it binds to the repressor to inactivate it, allowing for enzymes to be make
for lactose catabolism.
lactose
What type of operon is transcribed continually until it is deactivated by a repressor? Tryptophan operon
is an example.
repressible operon
In tryptophan operon, the regulatory protein goes through transcription and translation to produce an
inactive repressor. If ____ _____ is present, the inactive repressor cannot bind to the operon which
causes the production of tryptophan.
no tryptophan
In tryptophan operon, the regulatory protein goes through transcription and translation to produce an
inactive repressor. If ______ is present, the inactive repressor binds with it, which then binds with the
operon so that no tryptophan is made.
Tryptophan
What is a change in the nucleotide base sequence of an organisms genome?
mutation
What type of mutation is common and affects only one or a few bases at a time?
point mutation
What type of mutation causes the reading frame of codons to be altered because of a mutation in
nucleotide triplets?
frameshift mutation
What type of mutation describe one nucleotide being changed, which causes no difference in the amino
acid sequence?
silent mutation
What type of mutation describes one nucleotide changing that produce slightly different amino acid
sequences?
missense mutation
What type of mutation creates stop codons which causes translation termination, and virtually no
protein to be made?
Nonsense mutation
What type of mutation causes the addition of a nucleotide to be added in, causing the reading frame to
be off, resulting in a major difference in the amino acid sequence?
2|Page
,frameshift insertion
What type of mutation involves deleting a nucleotide causing a frame shift, resulting in a major
difference in the amino acid sequence?
frameshift deletion
What two things are mutagens?
radiation and chemicals
_____ _____ forms of radiation causes breaks in chromosomes because the phosphate bonds get
broken. X-Ray is an example.
high energy
_____ ____ forms of radiation cause thymine dimers, which are irregular covalent bonds between 2
thymine bases. UV light is an example, which is absorbed by DNA.
low energy
What are precise forms of DNA repair?
direct and exclusion repair
What type of DNA repair involves enzymes removing damage like thymine dimers or alkylated bases?
direct repair
What type of DNA repair involves the removal of DNA which causes the synthesis of a new strand via a
template?
exclusion repair
Which types of DNA repair are not precise?
postreplication, SOS response, and error-prone
What type of DNA repair involves the retrieval of missing information by recombination because both
strands are damaged?
Postreplication repair
What type of DNA repair involves the induction of 15 genes after DNA damage or interruption in DNA
replication?
SOS response
What type of DNA repair is a last resort before cells die, where gaps are filled in with random
sequences?
error-prone repair
What is the exchange of DNA segments that share similar sequences?
3|Page
, genetic recombination
What are cells with DNA molecules that have new nucleotide sequences?
recombinants
What describes that organisms replicating genomes and then passing genes on to decendents?
vertical gene transfer
What describes a donor contributing only one part of a genome to a recipient?
horizontal gene transfer
In horizontal gene transfer, ______ describes uptake of DNA by a cell from the environment.
transformation
cells that take up DNA are _____
competent
In horizontal gene transfer, ______ describes the transfer of DNA from one cell to another through a
replicating virus called bacteriophage.
transduction
______ transduction is a phage carrying random DNA segments from a donor to a recipient
generalized
_______ transduction is only certain donor DNA sequences being transferred
specialized
In horizontal gene transfer, ______ describes the transfer of DNA between bacteria in physical contact.
conjugation
conjugation can happen via ____ or ____ on the cell surface, particularly gram+
pili, adhesions
Griffiths transformation experiments were to create a _____ against pneumonia
vaccine
Griffith found out that the pneumonia ____ was not present so there was no need to build a vaccine
toxin
Which process involves forming new DNA from chromosomes and plasmids?
DNA replication
In DNA replication, what enzyme unwinds and separates the DNA strands?
4|Page
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