Term
What is proteins role in nutrition? |
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Definition
Essential nutritionally because of their constituent amino acids>synthesize different proteins and nitrogen-containing molecules. |
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Term
| What are the different reactions enzymes catalyze? |
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Definition
| Hydrolases, Isomerases, Ligases, oxidoreductases, transferases |
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Term
| Amino acid derived hormones are... |
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Definition
considered messengers that have important roles in metabolism and nutriton. Ex. Tyrosine-thyroid hormones and catecholamines, Tryptophan-melatonin (180) |
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Term
What proteins have a structural role in the body? |
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Definition
| Contractile, fibrous and globular |
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Term
| What are immunoproteins role in the body? |
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Definition
| They function by binding to antigens and inactivating them. (five major classes - Y-shaped - four polypeptide chains) |
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Term
| What are transporter proteins role? |
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Definition
Combine with vitamins, minerals and other substances to provide a means of carring those substances in the blood, or into cells, out of cells or within cells. (some important transporters are: albumin, transthyretin, transferrin, ceruloplasmin, lipoproteins. |
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Term
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Definition
| Help regulate acid-base balance. Ameliorates a change in pH that would otherwise occur in response to addition of alkali or acid solution. |
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Term
Proteins role in fluid balance? |
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Definition
| Proteins in the blood and cells helps attract water and contribute to osmotic pressure. |
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Term
| What is the primary structure of a protein? |
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Definition
| Sequence of and strong covalent bond among amino acids that occur as the polypeptide chain is synthesized on the ribosomes |
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Term
| What are the types of secondary structures? |
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Definition
alpha-Helix, beta-Pleated sheets and random coil (183,84) |
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