biology chp 13and 14

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  1. how many bases do we have in our human genome
    3 billion
  2. unicellular, prokaryotes; reproduce for mitosis, 1 generation every 20 mins (100 million over night)most numerous life on earth, very diverse, many different types
    bacteria
  3. smaller, circular DNA double helix that carries extra genes (2-30 genes) and can self- replicate.
    plasmid
  4. larger, circular DNA double helix and up to 4,000 genes
    chromosome
  5. combines genes from different sources- even different species
    recombinant DNA technology
  6. enzymes that cut DNA in specific locations
    restriction enzymes
  7. restriction enzymes make staggered cuts along the DNA double helix leaving open......
    sticky ends
  8. a very common restriction enzyme is......because its cuts at this location along a DNA sequence
    GAATTC
  9. A disease in which a person has a high blood sugar (glucose)level due to problems with insulin.
    diabetes
  10. type_ diabetes is when the body does not produce insulin.
    type 1
  11. type_ is when the body/ pancreas does not produce enough insulin for proper function
    type 2
  12. organism that has acquired one of more genes by artificial means
    genetically modified organism (GMO's)
  13. if the gene is from a different specie, we call the GMO....
    transgenic
  14. done by PCR (polymerase chain reaction) the DNA segment is put into test tube separated by heat, free nucleotides  are added to make copies.
    mass producing
  15. if you want to compare DNA from different sources, you can use gel electrophoresis - a technique that separates DNA fragments by lengths.
    comparing DNA
  16. obtaining just one drop of blood or hair and extracting the DNA for a..........
    DNA fingerprint
  17. some genes can be turned ___ and____
    on and off
  18. increasing specialization in structure and function of cells during development of a multicellular organism
    cell differentiation
  19. undifferentiated or "blank" cells that have the potential to develop into many different types of cells
    stem cells
  20. as the baby ages, the stem cells have limited cell types they can differentiate into. so most research is aimed towards ...........
    embryonic research
  21. leukemia is the cancer of the......... cells
    white blood cells
  22. the bone marrow can begin to have an....of abnormal....... cells
    uncontrolled growth, white blood cells
  23. who set sail on the HMS The Beagle?
    Charles Darwin
  24. he becomes convinced that species ______ and ______ to their environment
    evolve and adapt
  25. Darwin's observations of many unique species in the________
    Galapagos Islands
  26. in 1858Darwin publishes the famous book......
    Origin of Species
  27. 2 main points in Darwin's book are ________ and _______ _________
    evolution and natural selection
  28. preserved remains left by a once-living organism
    fossils
  29. remains of life that shows traits common to both an ancestral group and its derived descendent group.
    transitional fossils
  30. large scale changes of one kind of animal to another over LONG periods of time
    macroevolution
  31. small scale changes within a kind a kind of animal over short periods of time
    microevolution
  32. over__________ fossils have been found
    100 million
  33. thought to be missing link between lizards and birds
    Archaeopteryx
  34. the achaeopteryx is now believed to be a ____.
    bird
  35. thought to be missing link of fishes and amphibians
    Coelacanth
  36. a coelacanth was caught in 1938. still live in deep water below ___ feet.
    500 feet
  37. the_________ was discovered in Piltdown, England and accepted as a link for 20 years.
    Piltdown Man
  38. the Piltdown Man was discovered to be a____
    hoax
  39. ___________- tooth found in Nebraska in 1922, later the tooth was discovered it belonged to a Peccary (pig)
    Nebraska Man
  40. ________- thought to be an ape man fossil from just a skull cap, leg bone, and 3 teeth. Now just believed to have been a ______ since to was found buried near human skulls.
    Java Man; human

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Author:
littleg.ward
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315495
Filename:
biology chp 13and 14
Updated:
2016-02-07 20:06:29
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biology
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biology
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