Katelyn's biology quiz 2

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Author:
cj8
ID:
232489
Filename:
Katelyn's biology quiz 2
Updated:
2013-09-02 17:29:26
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biology
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Katelyn's biology quiz 2
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  1. living things consist of atoms of different _
    elements
  2. _ is for Nucleic acids
    nucleic tide
  3. what are two types of things found in the nucleus?
    DNA and RNA
  4. a string of amino acids make up a _
    protein
  5. If the name ends in "ose" then it is _/_
    carbohydrate/sugars
  6. _ are the 1st carbon-based molecule
    carbohydrates
  7. _ bonds are strong due to sharing
    covalent
  8. _ bonds are weak due to attraction btween charges
    ionic
  9. atoms share pairs of electrons in _ bonds
    covalent
  10. positive and negative attract, which causes an _ bond
    ionic
  11. _ form when atoms gain or lose electrons
    ions
  12. What are the three types of bonds?
    ionic, covalent, and hydrogen
  13. there are many other _ compounds in living things
    carbon-based
  14. CO2
    carbon dioxide
  15. H20
    water
  16. a compound is made of different elements _ together
    bonded
  17. An oxygen atom has _ proton(s) and _ electron(s)
    8, 8
  18. A hydrogen atom has _ proton(s) and _ electron(s)
    1,1
  19. an _ is one type of atom
    element
  20. A _ is the smallest basic unit of matter
    atom
  21. the number of protons=the number of _
    electrons
  22. Neutral means that overall, there is no _
    charge
  23. Atoms are electrically _
    neutral
  24. What shows what type of atom something is?
    protons
  25. _ are in energy levels outside nucleus
    electrons
  26. protons are _, neutrons are _, and electrons are _
    positive, neutral, and negative
  27. What 2 things does an atom have?
    a nucleus and electrons
  28. What are all living things based on?
    their atoms and their interactions

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