Bio Semester 1 Review (1 Of 3)

61 Questions | Total Attempts: 322

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Bio Semester 1 Review (1 Of 3)

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Questions and Answers
  • 1. 
    What is osmosis?
    • A. 

      The movement of molecules through a semi-permeable membrane from an area of lower concentration to an area of higher concentration

    • B. 

      The movement of molecules such as water through a semi-permeable membrane from an area of higher concentration to an area of lower concentration

    • C. 

      The movement of molecules across a semi-permeable membrane until there are equal amounts on each side of the membrane

    • D. 

      Molecules desire to spread as far from a membrane as possible

  • 2. 
    Which of these molecules can NOT pass through a membrane to enter a cell?
    • A. 

      Iodine

    • B. 

      Glucose

    • C. 

      Oxygen

    • D. 

      Starch

  • 3. 
    Which of these does require energy?
    • A. 

      Active Transport

    • B. 

      Passive Transport

    • C. 

      Osmosis

    • D. 

      Gravity

  • 4. 
    When a molecule enters a cell via the proteins on its membrane but the process doesn't use any  ATP, it has undergone:
    • A. 

      Adhesion

    • B. 

      Osmosis

    • C. 

      Active transport

    • D. 

      Facilitated diffusion

  • 5. 
    A cell placed in a hypotonic solution will....
    • A. 

      Swell due to taking in water

    • B. 

      Shrivel due to water leaving

    • C. 

      Remain unchanged, as it is isotonic

    • D. 

      Not enough info given

  • 6. 
    Osmosis occurs in 
    • A. 

      All cells; they all have cell membranes

    • B. 

      Eukaryotic cells; only they have cell membranes

    • C. 

      Prokaryotic cells; eukaryotic cells have more complex structures for importing materials

    • D. 

      Prokaryotic cells; only they have cell membranes

  • 7. 
    The atom is made of 3 subatomic particles. The subatomic particle found in the nucleus with a positive charge is the ___________.
    • A. 

      Electron

    • B. 

      Neutron

    • C. 

      Proton

  • 8. 
    The __________ is the smallest unit of matter.
    • A. 

      Element

    • B. 

      Atom

    • C. 

      Molecule

    • D. 

      Electron

  • 9. 
    An _______ bond is a bond in which electrons are transferred between a metal and nonmetal.
    • A. 

      Covalent

    • B. 

      Ionic

    • C. 

      Double

    • D. 

      Polar

    • E. 

      Nonpolar

  • 10. 
    An acid has a pH below ______.
    • A. 

      7

    • B. 

      8

    • C. 

      9

    • D. 

      10

  • 11. 
    A base has a ph above _____.
    • A. 

      9

    • B. 

      8

    • C. 

      7

    • D. 

      10

  • 12. 
    Water is made of 1 oxygen molecule and _____ hydrogen atoms. 
    • A. 

      3

    • B. 

      2

    • C. 

      1

    • D. 

      5

  • 13. 
    The water molecule is _________, because there is an uneven distribution of electron within the molecule.
    • A. 

      Uneven

    • B. 

      Weird

    • C. 

      Polar

    • D. 

      Strange

  • 14. 
    A group of atoms bound together
    • A. 

      Proton

    • B. 

      Molecule

    • C. 

      Atom

    • D. 

      Compound

  • 15. 
    All of these are major organic compounds except
    • A. 

      Carbohydrates

    • B. 

      Lipids

    • C. 

      Proteins

    • D. 

      Acids

  • 16. 
    All the substances listed are Inorganic except
    • A. 

      Acids

    • B. 

      Bases

    • C. 

      Salts

    • D. 

      Proteins

  • 17. 
    Fats and oils are examples of
    • A. 

      Phospholipids

    • B. 

      Lipids

    • C. 

      Energy

    • D. 

      Glycerol

  • 18. 
    Large Molecules made up of amino acids held together in long folded chains by peptide bonds
    • A. 

      Proteins

    • B. 

      Starches

    • C. 

      Carbohydrates

    • D. 

      Cholesterol

  • 19. 
    Neutron's are
    • A. 

      Charged particles in nucleus

    • B. 

      Noncharged particles in nucleus

    • C. 

      Component of most organic molecules and water

    • D. 

      A protein in catalyzes

  • 20. 
    Number of protons and neutrons in the nucleus
    • A. 

      Chemical elements

    • B. 

      Nucleic acid

    • C. 

      Protein

    • D. 

      Atomic mass

  • 21. 
    Substances whose molecules have more than one kind of atom
    • A. 

      Isotope

    • B. 

      Compound

    • C. 

      Chemical Elements

    • D. 

      Cations

  • 22. 
    Which as a positive charged particle in the nucleus
    • A. 

      Electron

    • B. 

      Proton

    • C. 

      Neutron

    • D. 

      Matter

  • 23. 
    The number of protons in an atom of an element
    • A. 

      Atomic weight

    • B. 

      Atomic mass

    • C. 

      Atom

    • D. 

      Atomic number

  • 24. 
    A solution with excess hydrogen ion (H+) concentration:
    • A. 

      Base

    • B. 

      Salt

    • C. 

      Acid

    • D. 

      Water

  • 25. 
    These molecules primarily serve to provide the body with energy:
    • A. 

      Carbohydrates

    • B. 

      Proteins

    • C. 

      Lipids

    • D. 

      Acids

    • E. 

      Bases

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