Hemoglobin is:1) hormone;2) Enzyme3) protein;4) Amino acidHELPPP PLEASE

Hemoglobin is: 1) hormone;
2) Enzyme
3) protein;
4) Amino acid

HELPPP PLEASE

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This Post Has 4 Comments

  1. only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

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