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5 Written Questions

5 Matching Questions

  1. new DNA molecules are made by...
  2. mRNA
  3. for mutations to be inherited by offspring (sexual reproduction)...
  4. proteins
  5. sexual reproduction
  1. a single stranded, contains U instead of T, for uracil
  2. b attaching matching base pairs of DNA to each template
  3. c -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. d they can only be in sex cells, only sex mutations in sex cells can be inherited
  5. e contain half their genetic code from one parent and half from the other, making them similar but NOT identical

5 Multiple Choice Questions

  1. -the traits inherited by an individual can be determined from one pare of genes or by several pairs of genes
    -some gene pairs can influence more than just one trait
    -some traits are observable, while others are not (examples: hair or eye color, ability to produce insulin, or types of receptors on cell membranes)
  2. going from mRNA to protein
  3. to build
  4. allows for offspring with high variation
  5. weak hydrogen bonds with may be broken to split into DNA into two single strands

5 True/False Questions

  1. DNAis an organic molecule made of many small subunits called nucleotides (monomers)
    -double helix molecule

          

  2. if a cell survives a mutation...a sugar, phosphate, and a nitrogenous base

          

  3. gene manipulationorganisms have been genetically engineered to possess certain traits
    Examples:
    -flowers resistant to bugs
    -bacteria that feed on chemicals in oil spills
    -bacteria that produce HGH and insulin
    -plants resistant to herbicides

          

  4. types of genetic engineeringa new technology used to alter the genetic instructions of organisms

          

  5. how does gene manipulation happen?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

          

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