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of 613 available terms
(13 exact duplicates found)

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5 Written questions

5 Matching questions

  1. genomic library
  2. water mold
  3. mutation
  4. amniocentesis
  5. lignin
  1. a a chemical that hardens the cell walls of plants
  2. b a fungus-like protists in the stramenophile clade
  3. c a set of DNA segments from an organism's genome; each segment is usually carried by plasmid or phage
  4. d a change in the nucleotide sequence of DNA; the ultimate source of genetic diversity
  5. e a technique for diagnosing genetic defects while a fetus is in the uterus; a sample of amniotic fluid, obtained via a needle inserted into the amnion, is analyzed for telltale chemicals and defective fetal cells

5 Multiple choice questions

  1. the entire portion of Earth inhabited by life; the sum of all the planet's ecosystems
  2. the cloning of human cells by nuclear transplantation for therapeutic purposes, such as the replacement of body cells that have been irreversibly damaged by disease or injury
  3. in scientific studies, the search for the least complex explanation for an observed phenomenon
  4. the ranking of individuals based on social interactions; usually maintained by agonistic behavior
  5. a type of protist characterized by great flexibility and the presence of pseudopodia

5 True/False questions

  1. Huntington's diseasea human genetic disease caused by a dominant allele; characterized by uncontrollable body movements and degeneration of the nervous system; usually fatal 10-20 years after the onset of symptoms


  2. DNA polymerasean enzymatic RNA molecule that catalyzes chemical reactions


  3. petala modified leaf of a flowering plant; these are often colorful parts of a flower that advertise it to insects and other pollinators


  4. primary consumerplant tissue consisting of cells joined into tubes that transport water and nutrients throughout the plant body


  5. hydrostatic skeletonthe formation of a new species as a result of a genetic change that produces a reproductive barrier between the changed population (mutants) and the parent population