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Genetic Engineering
Quiz 1
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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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