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Posted by on Wednesday, February 4, 2009 at 9:54pm.

Could you help me with these
Directions: Either it's a carboyhdrate, lipid, protein, nucleic acid

It's monomers contain NH2 amd COOH groups

Controls cell reproduction and activities

Ratio of hydrogen to oxygen is 2:1

Is held together with peptide bonds

  • Chemistry - , Wednesday, February 4, 2009 at 9:56pm

    #1 is amino acids.
    #3 is H2O

  • Chemistry - , Wednesday, February 4, 2009 at 9:57pm

    those aren't the choices

  • Chemistry - , Wednesday, February 4, 2009 at 10:01pm

    which compound has h20?

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