Nutrition Ch. 4 : Protein

T/F: Protein can be duplicated by carbohydrates or fats.

• True

• False

Protein has several unique contributions to the body. Some of these include:

• Provide structure while building & maintaining cells

• Maintaining blood volume & pressure

• Producing immunity

• Regulating body processes (such as glucagon)

What are the main chemical elements of proteins?

• Magnesium, Iron, Sodium, Potassium (MISP)

• Carbon, Hydrogen, Oxygen, Nitrogen (HONC)

• Sulfur, Phosphorus, Potassium, Calcium (SPPC)

• Silicon, Sulfur, Iron, Phosphorus (SSIP)

Amino acids are linked by what type of bond in an exact order to make a particular protein?

• Covalent

• Ionic

• Peptide

This is described as two or more amino acids linked together by peptide bonds.

• Polypeptide

• Lipid

• Nucleic Acid

Actin & Myosin are considered:

• Contractile Proteins

• Fibrous Proteins

Collagen, Elastin, & Keratin are all considered:

• Fibrous Proteins

• Contractile Proteins

___ is the building up of tissues as occurs in growth or healing.

• Anabolism

• Catabolism

___ is the breaking down of tissues into simpler substances that the body can reuse or eliminate.

• Anabolsim

• Catabolism

T/F: Foods or artificial feedings containing protein are the body's only external sources of nitrogen.

• True

• False