Proteins are chemically different from carbohydrates and fats because they also contain:a.Nitrogen.b.Phosphorus.c.Sodium.d.Iron.

Which element is present in proteins but not in carbohydrates?

Fats are composed of the elements carbon, hydrogen, and oxygen only. All proteins contain these three elements and the element ------(1)------.*Your answer

Which of the following is NOT a chemical substance found in cells?ProteinsCarbohydratesFats or lipidsEnzymes

Most of the protein in the body is found as ____________ ____________.2. Proteins are the most diverse in both function and structure out of all organicmolecules because of their diverse ____________.3. Contractile proteins work closely with ____________ proteins.4. ____________ is the iron-containing protein found in blood which moves oxygenfrom the lungs to other parts of the body.5. Enzymes act as ____________ ____________, meaning they affect the speed ofa chemical reaction without being changed itself.6. ____________ amino acids can be created in the body and are not required in thediet.7. Also attached to the alpha carbon is a single ____________ atom and a chemicalgroup denoted by the letter ____.8. Proteins are created by one or more ____________ chains.9. The slightest change in the amino acid sequence can alter the overall____________, and therefore, ____________ of the protein.10. Almost all tertiary structures can be described as ____________, meaninground, or ____________, meaning rod-like.11. The last structural level is the ____________ structure.12. When polypeptide chains unravel and lose their specific shape and thereforelose their function, it is known as ____________.13. When you take in protein through food, it is broken down in the ____________by ____________ into smaller polypeptides for the body to use.14.To determine the amount of protein you should be taking in each day, you mustfirst determine your ideal _________________.

Which of the following statement is TRUE about proteins?Group of answer choicesProteins are biomolecules made up of fatty acids.Proteins are biomolecules made up of esters.ProtensProteins are biomolecules made up of glucose units.Proteins are biomolecules made up of amino acids.