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5 Written Questions

5 Matching Questions

  1. mRNA
  2. each subunit contains...
  3. genetic engineering
  4. protein synthesis
  5. DNA must be able to...
  1. a single stranded, contains U instead of T, for uracil
  2. b to build
  3. c replicate or copy, its coded instructions
  4. d a sugar, phosphate, and a nitrogenous base
  5. e a new technology used to alter the genetic instructions of organisms

5 Multiple Choice Questions

  1. weak hydrogen bonds with may be broken to split into DNA into two single strands
  2. an alteration in a sequence of DNA
    -change the normal message carried by the gene, causing a defect
    - they are random
    -affect the synthesis of proteins, which causes malfunctions in the cell. EX.) sickle cell anemia is caused by a substitution in the cell
    -can cause cell death
  3. the changed instructions will be passed on to all cells coming from in
  4. two identical copies of the cell's genetic information
  5. special enzymes (restriction enzymes) cut DNA at specific sequences, which allows the DNA to be spliced or inserted, into a new organism
    -organisms will make proteins that express the new trait, and pass it on to their offspring

5 True/False Questions

  1. genetic recombinationallows for offspring with high variation


  2. for mutations to be inherited by offspring (sexual reproduction)...insertion, detection, or substitution


  3. proteins-carry out most of the cells
    -can be enzymes, hormones, antibodies, or make up parts of cell organelles
    -the DNA code of gene is read in the nucleus and a messenger molecule is created (messenger RNA)
    -the message travels to a ribosome in the cytoplasm


  4. types of genetic engineeringselective breeding and gene manipulation


  5. translationgoing from mRNA to protein


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