BIO 100 - Chapter 20 DNA Tech. & Genetic Engineering

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tt23
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BIO 100 - Chapter 20 DNA Tech. & Genetic Engineering
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2014-04-28 22:35:29
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  1. The science that involves the planned modification, insertion, or deletion of genes from the genetic makeup of an organism is ________.
    genetic engineering
  2. In order to synthesize DNA in a laboratory, the enzyme ________ must be used to facilitate the addition of nucleotides on the new strand.
    DNA polymerase
  3. In recombinant DNA technology, DNA is cut at specific nucleotide sequences by ________ enzymes.
    restriction
  4. The technique used to make millions of identical copies of DNA from a small sample in a test tube is ________.
    polymerase chain reaction (PCR)
  5. Restriction enzymes only cut specific sections of DNA called ________.
    palindromes
  6. Small, circular DNA molecules that are located outside the main chromosome of bacteria and are capable of self-replication are ________.
    plasmids
  7. Technique of using plasmid DNA to insert another species DNA into a bacterium or plant is called _______.
    vector transfer
  8. Organisms that have been genetically engineered to carry one or more foreign genes are known as ________ organisms.
    transgenic
  9. Transgenic bateria are presently used to produce ________ which can be administered to humans or other animals to prepare the immune system for a possible infection by a disease-causing organism.
    vaccines
  10. Short single-stranded pieces of DNA called ________ attach to a DNA template to serve as the beginning site of DNA replication.
    primers
  11. The process of producing pharmaceuticals in farm animals is ________.
    gene pharming
  12. The insertion of human genes into human cells to treat disease is known as ________.
    gene therapy
  13. Gene therapy requires that genes be delivered to cells and incorporated into the cells' DNA; transporters of these genes are known as ________.
    vectors
  14. Programmed cell death in somatic cells is known as ________.
    apoptosis
  15. ________ is a useful technique in criminal investigations because humans contain many copies of repeating or junk sequences, the length of which can be unique to an individual.
    DNA fingerprinting

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