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Biology > Bio Quiz 4 > Flashcards

Bio Quiz 4 Flashcards

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1
Q

The process of making recombinant DNA is least related to

  DNA fragments. 
  sticky ends. 
  All of the listed answers are correct 
  clones. 
  restriction enzymes. 
  None of the listed answers are correct
A

DNA fragments.

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2
Q

In eukaryotes, gene expression can be regulated by

  transcription factors. 
  None of the listed answers are correct 
  repressors. 
  operons. 
  mutations. 
  All of the listed answers are correct
A

transcription factors.

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3
Q

_________is used to identify individuals in paternity cases and criminal cases.

  Gene therapy 
  None of the listed answers are correct 
  Genomic imprinting 
  All of the listed answers are correct 
  DNA fingerprinting 
  A vaccine
A

DNA fingerprinting

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4
Q

Unlike DNA, RNA contains

  the sugar deoxyribose. 
  a phosphate group. 
  nucleotides. 
  None of the listed answers are correct 
  the nitrogen base uracil. 
  All of the listed answers are correct
A

the nitrogen base uracil

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5
Q

The major effort to map and sequence all human genes is called

  the RFLP Project. 
  None of the listed answers are correct 
  DNA fingerprinting. 
  All of the listed answers are correct 
  the PCR Project. 
  the Human Genome Project.
A

the Human Genome Project.

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6
Q

Injecting a healthy copy of a gene into a person who has a defective gene is called

  gene therapy. 
  None of the listed answers are correct 
  All of the listed answers are correct 
  DNA cloning. 
  probing. 
  PCR.
A

gene therapy.

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7
Q

The making of RNA based on the sequence of nucleotides in DNA is called

  translation. 
  DNA replication. 
  gene regulation. 
  None of the listed answers are correct 
  All of the listed answers are correct 
  transcription.
A

transcription

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8
Q

A short chain of DNA has the nucleotide sequence ATA CCG. Its complementary mRNA nucleotide sequence is

  None of the listed answers are correct 
  All of the listed answers are correct 
  UAU GCC. 
  UAU GGC. 
  TUT GCC. 
  TAT GCC.
A

UAU GGC.

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9
Q

A researcher trying to determine the sequence of nucleotides on a particular gene obtained the following sequence with the primer and tagged nucleotide: TCCGGAAG. What was the sequence of nucleotides on the gene?

  GAACCTTC. 
  AGGCCTTC. 
  TAACCTTC. 
  AGGCTCCT. 
  None of the listed answers are correct 
  AGCGGTTC.
A

AGGCCTTC

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10
Q

The entire process by which proteins are made based on the information encoded in DNA is called __________ , or protein synthesis.

  gene osmosis 
  None of the listed answers are correct 
  All of the listed answers are correct 
  gene expression 
  gene absorption 
  gene regression
A

gene expression

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11
Q

A change in the genetic code is called

codon.
translation.
operon.
None of the listed answers are correct
All of the listed answers are correct
operator.

A

None of the listed answers are correct

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12
Q

Genetic engineers can make plants

  that are adapted to different soils. 
  adaptable to cooler climates. 
  None of the listed answers are correct 
  resistant to insects. 
  All of the listed answers are correct 
  more tolerant to droughts.
A

All of the listed answers are correct

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13
Q

Gel electrophoresis is used to __________ DNA fragments.

  join 
  All of the listed answers are correct 
  cut 
  None of the listed answers are correct 
  separate 
  copy
A

separate

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14
Q

The RNA instructions which are written as a series of three-nucleotide sequences on the mRNA are called _______.

  sequons 
  All of the listed answers are correct 
  muons 
  None of the listed answers are correct 
  codons 
  protons
A

codons

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15
Q

Genetic engineering depends on the ability of _________ to cut DNA at specific sites.

  DNA ligase 
  None of the listed answers are correct 
  DNA polymerase 
  plasmid DNA 
  All of the listed answers are correct 
  restriction enzymes
A

restriction enzymes

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16
Q

Anticodons are found on __________ molecules.

  rRNA 
  mRNA 
  tRNA 
  All of the listed answers are correct 
  DNA 
  None of the listed answers are correct
A

tRNA

17
Q

A ____________ is an extra ring of DNA in bacteria.

  plasmid 
  None of the listed answers are correct 
  restriction enzyme 
  All of the listed answers are correct 
  probe 
  clone
A

plasmid

18
Q

A transgenic organism is produced as a result of

  RFLPs. 
  recombinant DNA. 
  All of the listed answers are correct 
  None of the listed answers are correct 
  mutation. 
  hybridization.
A

recombinant DNA.

19
Q

The lac operon allows a bacterium to build the proteins needed for lactose metabolism when

lactose is present.
lactose is absent.
All of the listed answers are correct
the repressor is bound to the operator.
RNA polymerase is not bound to the promoter.
None of the listed answers are correct

A

lactose is present.

20
Q

The making of proteins from the information carried by mRNA is called

  All of the listed answers are correct 
  transcription. 
  translation. 
  gene regulation. 
  None of the listed answers are correct 
  DNA replication.
A

translation

Biology (14 decks)

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