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of 613 available terms
(13 exact duplicates found)

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5 Written questions

5 Matching questions

  1. cytosine
  2. kinesis
  3. temperate grassland
  4. mycorrhiza
  5. lytic cycle
  1. a (C) a single-ring nitrogenous base found in DNA and RNA
  2. b a grassland region maintained by seasonal drought, occasional fires, and grazing by large mammals
  3. c random movement in response to a stimulus
  4. d a type of viral replication cycle resulting in the release of a new viruses by lysis (breaking open) of the host cell.
  5. e a mutualistic association of plant roots and fungi

5 Multiple choice questions

  1. the offspring of parents of two different species or of two different varieties of one species; the offspring of two parents that differ in one or more inherited traits; an individual that is heterozygous for one or more pairs of genes
  2. on a tRNA molecule, a specific sequence of three nucleotides that is complimentary to a codon triplet on mRNA.
  3. a bony fish having fins supported by thin, flexible skeletal rays, All but one living species of bony fishes are ray-fins.
  4. in classification, the taxonomic category above species; the first part of a species' binomial; for example, Homo
  5. an approach to restoration ecology that uses organisms to add essential materials to a degraded ecosystem

5 True/False questions

  1. homeotic genehaving two identical alleles for a given gene


  2. dorsala free-living, sexually immature form in some animal life cycles that may differ from the adult in morphology, nutrition, and habitat.


  3. biodiversity crisisone of the three main parts of a mollusc, containing most of the internal organs.


  4. mutationa change in the nucleotide sequence of DNA; the ultimate source of genetic diversity


  5. peptidoglycanhaving two different alleles for a given gene


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