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Biotechnology: Designer Genes: More Expensive Than You Think Quiz
Think you’ve got your head wrapped around
? Put your knowledge to
the test. Good luck — the Stickman is counting on you!
Q. What role do restriction enzymes play in DNA cloning?
They glue the DNA pieces together
They help select for the organism that has taken up the recombinant DNA
They cut DNA at specific recognition sites
They activate gene expression in the organism
They suppress the defense mechanisms in the organism in which the recombinant DNA has been introduced
Q. Electrophoresis takes advantage of which of the following properties of DNA in order to separate pieces by size?
DNA is double stranded
DNA contains deoxyribose
DNA is very stable
The backbone of DNA is negatively charged due to the phosphate groups
DNA is primarily single-stranded
Q. Which of the following relationships is incorrect?
Southern blot – DNA
Northern blot – protein
Western blot – protein
PCR – DNA
RT-PCR – mRNA
Q. Dideoxy chain termination is used in which of the following techniques?
DNA digestion by restriction enzymes
DNA amplification by PCR
Q. Which of these terms is out of place?
Q. The technique that involves mutating a DNA sequence outside of an organism and then introducing it into an organism is called
In situ hybridization
Single nucleotide polymorphism
In vitro mutagenesis
Q. These cells are already differentiated but can be converted into cells that can become any type in the lab.
Induced pluripotent cells
White blood cells
Q. In animal cloning, which of the following is transferred to an enucleated egg cell?
The cytoplasm of a differentiated cell
The cytoplasm of a dedifferentiated cell
The nucleus of a differentiated cell
The nucleus of a dedifferentiated cell
The nucleus of a sperm cell
Q. Which of the following words does not belong?
Restriction fragment length polymorphisms
Short tandem repeats
Q. Whole animals that have been engineered to express an altered gene or a gene from another species are called .