Q.1
Reverse transcriptase
  • enzyme that transcribes RNA into DNA
  • no
  • no
  • no
Q.2
Restriction endonuclease
  • enzyme that snips DNA at palindromes
  • no
  • no
  • no
Q.3
Taq polymerase
  • thermostable enzyme for synthesizing DNA
  • no
  • no
  • no
Q.4
RNAi
  • complementary strand that blocks mRNA expression
  • no
  • no
  • no
Q.5
Template strand
  • strand of nucleic acid that is transcribed or translated
  • no
  • no
  • no
Q.6
What is recombinant DNA
  • DNA from 2 different organisms combined
  • DNA from 2 different ribosomes
  • DNA that is separated out from a vector
Q.7
GMO stands for
  • Genetically Made Organism
  • Growing More Organisms
  • Genetically Modified Organism
  • Growing Many Organisms
Q.8
Nucleic acid probe
  • oligonucleotide used in hybridization
  • no
  • no
  • no
Q.9
What is removed from the chromosome of an animal cell during Genetic Engineering?
  • Gene
  • Plasmid
  • Nucleus
  • Ribosome
Q.10
DNA fingerprinting works because
  • Most genes are dominant
  • All organisms contain RNA
  • The most important genes are different among most people
  • No two people, except identical twins, have exactly the same DNA
Q.11
The process of making changes in the DNA code of a living organism is called
  • selective breeding
  • genetic engineering
  • inbreeding
  • hybridization
Q.12
A mutation
  • is always bad for an organism
  • is always good for an organism
  • is a change in an organism's DNA
  • never changes an organism
Q.13
What is the purpose of PCR?
  • To produce millions of copies of DNA.
  • To produce millions of copies of a specific region of DNA
  • To add nucleotides to a DNA sequence
  • To watch polymerase work.
Q.14
Polymerase chain reaction is used to
  • determine the sequence of DNA.
  • make copies of a DNA sequence.
  • selectively breed plants and animals.
  • produce mutations in bacteria.
Q.15
DNA containing genes from a foreign donor
  • plasmid
  • restriction enzymes
  • recombinant DNA
  • gene
Q.16
A molecule containing DNA from two different organisms is called
  • a plasmid.
  • a polyploid.
  • a hybrid organism.
  • recombinant DNA.
Q.17
Nontemplate strand
  • the nontranslated stradn of DNA or RNA
  • no
  • no
  • no
Q.18
Genetic engineering has been used to produce
  • medicines.
  • food animals.
  • improved crops.
  • all of these.
Q.19
In which ways can genetic engineering can improve crops
  • Make them pest or drought resistant
  • Make them more nutritious
  • Make them larger
  • All answers are correct
Q.20
Gel electrophoresis enables scientists to
  • separate DNA fragments.
  • combine DNA fragments.
  • count the genes in DNA.
  • insert DNA in cells.
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