biology

posted by .

1. The energy used by living organisms
a. is declining through time.
b. is derived by breaking bonds that hold the atoms in organic molecules together.
c. involves ionic bonds more often than covalent bonds.
d. is available only from glucose when it undergoes respiration.
e. tends to accumulate in a food chain.

2. The second law of thermodynamics holds that
a. matter can be neither created nor destroyed.
b. energy can be neither created nor destroyed.
c. energy disperses spontaneously.
d. energy transformations create a more orderly universe.
e. energy and matter are the same thing.

3. Metabolism involves
a. the cells capacity to acquire energy
b. cellular processes used in accumulation of materials.
c. reactions that break apart nutrients to release energy
d. disposal of materials
e. all of the above.

  • biology -

    a e d

  • biology -

    1. A
    2. B
    3. C

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. SCIENCE

    Please see if I have the right answer. The three atoms in a water molecule are held together by oxygen bonds, covalent bond, surface tension, hydrogen bonds, or gravity. I think it's covalent bonds. Am I right?
  2. science

    A substance in a solid at room temperature. It is unable to conduct electricity as a solid but can conduct electricity as a liquid. This compound melts at 755 degrees celsius. Would you expect this compound to have ionic bonds, metallic …
  3. Chemistry

    an exothermic reaction involves a. breaking weak bonds to form weak bonds. b. breaking weaker bonds to form stronger bonds c. breaking srtong bonds to form strong bonds. d. breaking stronger bonds to form weaker bonds. I think that …
  4. Biology

    4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C?
  5. Biology

    4. The difference between an atom and and element is a. an element is made of atoms b. atoms are made of elements c. atoms are held together by covalent bonds d. none of the above C?
  6. Science

    During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy …
  7. Biology

    . The covalent bonds between the monomers of an enzyme macromolecule are A. glycosidic bonds. B. peptide bonds. C. phosphodiester bonds. D. ester bonds. I thimk it is B
  8. science Please Help

    During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy …
  9. Chemistry

    ______________ are similar to covalent bonds in that they hold atoms together. They are different from covalent bonds in that they ___________ . A. Ionic bonds; hold atoms together within a molecule B. Intermolecular forces; require …
  10. Science 6

    during the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. the energy stored in these covalent bonds is called?

More Similar Questions