Biology

How is a protein different from a complex carbohydrate?

a.The monomers that make up a protein vary whereas the monomers that make up a complex carbohydrate are all the same.
b.Proteins function as energy storage polymers whereas complex carbohydrates function to control rates of metabolic reactions.
c.Proteins can be described as a linear polymer chain whereas complex carbohydrates cannot.
d.Proteins contain very little carbon whereas complex carbohydrates contain mostly carbon.


My answer is A

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asked by Steve
  1. Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site.

    http://www.biology-online.org/biology-forum/

    In addition, be sure to make really good use of KhanAcademy:
    http://www.khanacademy.org/science/biology
    Choose from the general topics at the right and then find the specifics you need within each topic.

  2. thank you

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    posted by Steve
  3. You're welcome.

  4. a.The monomers that make up a protein vary whereas the monomers that make up a complex carbohydrate are all the same.
    --This is mostly true, but I would suggest that you give a couple of examples, such as fatty acids, or a short truncated protein.

    b.Proteins function as energy storage polymers whereas complex carbohydrates function to control rates of metabolic reactions.

    --This is not correct. Proteins are used to carry out chemical reactions in living organisms are to carry out different processes such as DNA replication, breaking down polymers into monomers, assembling complex carbohydrates, etc; carbohydrates are used for energy storage.

    c.Proteins can be described as a linear polymer chain whereas complex carbohydrates cannot.

    -- This is true and isn't. I would suggest that you look up the different structures of proteins i.e., primary, secondary, tertiary structure.

    d.Proteins contain very little carbon whereas complex carbohydrates contain mostly carbon.

    --This is not true. Depending on the side chains of the amino acids that make up a particular protein, a protein can contain lots of carbon, but usually compared to a complex carbohydrate, it will not have as much carbon. However, proteins do contain lots of nitrogen compared to carbohydrates.

    ****The first link that was given to you in writeteachers post should be the most help.

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    posted by Devron

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