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Nutrition Ch.6
Proteins
| Question | Answer |
|---|---|
| Primary sources of energy in the body? | FATS and carbs NOT protein |
| People in the US consume 2x more ______ then they need. Large, complex molecules made up of amino acids and found as essential components of all living cells | protein |
| Proteins contain? (c-h-o-n) | carbon, hydrogen, oxygen and nitrogen |
| Combining peanut butter and ww bread to make a complete protein is called? | mutual supplementation |
| Proteins in the blood | exert pressure that draws fluid out of tissue spaces, preventing edema |
| Enzyme in small intestine that helps break down polypeptides is called? | protease |
| The RDA for protein is higher for children and adolescents that for adults (True or False) | true |
| In treating protein-energy malnutrition, why is protein intake restored before feeding the patient fats? | Protein levels in the blood must be adequate to transport fat |
| Rice, pinto beans, acorn squash, soy butter, and almond milk is the example of what kind of diet? | Vegan |
| MACROnutrients | proteins, lipids, and carbs |
| Nitrogen-containing molecules that combine to form proteins are called? | Amino acids |
| amine means | nitrogen-containing |
| 1. how many amino acids make up proteins? 2. how many are essential amino acids | 1. 20 amino acids 2. 9 essential amino acids |
| Amino acids not produced by the body that must be obtained from food | Essential amino acids |
| 2 amino acids that contain sulfur | cysteine and methionine |
| amino acids that can be manufactured by the body in sufficient quantities and therefore do not need to be consumed regularly in our diet | nonessential amino acids |
| Process of transferring the amine group from one amino acid to another in order to manufacture a new amino acid | Transamination |
| chem bond in which the amine group of one amino acid binds to the acid group of another in order to manufacture dipeptides and all larger peptide molecules | peptide bond |
| 4-9 peptides is called... | oligopeptide |
| 10 more amino acids | polypeptide |
| mRNA copies genetic from DNA in the nucleus. Then mRNA detaches from the DNA and leaves the nucleus, carrying its genetic "message" to the ribosomes in the cytoplasm | transcription |
| info reaches ribosomes then ______ occurs. mRNA info is then changed into the amino acid sequence | translation (mRNA-rRNA-tRNA) |
| _____________ is produced as a waste product from any excess nitrogen, which is then excreted by the kidneys | Urea |
| ferritin is a gene that? | stores iron |
| The process by which proteins uncoil proteins uncoil and lose their shape and function when they are exposed to heat, acids, bases, heavy metals, alcohol, and other damaging substances | denaturation |
Created by:
CChanako
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