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protens
| Question | Answer |
|---|---|
| Basic structural material found in organs, muscles, skin, blood, bones, hair, and connective tissues. | Proteins |
| Essential for animal growth and fetal development. | Function of proteins |
| Required for maintenance and repair of tissues. | Function of proteins |
| Needed for production of meat, milk, eggs, and wool. | Function of proteins |
| Proteins composed only of amino acids. | Simple proteins |
| Protein type that includes albumins, globulins, glutelins, prolamins, protamines, and histones. | Simple proteins |
| Protein type that includes nucleoproteins, phosphoproteins, lipoproteins, and glycoproteins. | Conjugated proteins |
| Protein composed of long fibers providing support and strength. | Fibrous protein |
| Protein that is spherical and soluble in water. | Globular protein |
| Protein found in connective tissue, bones, and cartilage. | Collagen |
| Protein found in ligaments, tendons, and arteries. | Elastin |
| Protein found in hooves, hair, nails, horns, feathers, and skin. | Keratin |
| Protein functioning as biological catalyst. | Enzymes |
| Protein type that acts as chemical messenger in the body. | Protein hormones |
| Protein that carries oxygen in blood and muscles. | Oxygen-carrying protein |
| Soluble in water and salt solutions. | Albumins |
| Insoluble in water but soluble in dilute salt solutions. | Globulins |
| Soluble in 70–80% ethanol but insoluble in water. | Prolamins |
| Soluble in salt solutions; found in thymus and pancreas. | Histones |
| Insoluble in water and salt solutions; found in connective tissues. | Scleroproteins |
| Organic acids containing amino (NH₂) and carboxyl (COOH) groups; building blocks of proteins. | Amino acids |
| Basic structural units of proteins that vary in type and amount among proteins. | Amino acids |
| Organic molecules made of amino and carboxyl groups forming polymers called proteins. | Structure of amino acids |
| There are about 20–25 amino acids present in feed proteins and animal tissues. | Number of amino acids in feed proteins |
| Amino acids classified based on their structure and chemical properties. | Classification of amino acids |
| Neutral amino acids containing one amino and one carboxyl group. | Monoamino-monocarboxylic acids |
| Include glycine, leucine, isoleucine, alanine, serine, threonine, valine, asparagine, and glutamine. | Examples of monoamino-monocarboxylic acids |
| Acidic amino acids with one amino and two carboxyl groups. | Monoamino-dicarboxylic acids |
| Include aspartic acid and glutamic acid. | Examples of monoamino-dicarboxylic acids |
| Basic amino acids with two amino and one carboxyl group. | Diamino-monocarboxylic acids |
| Include arginine and lysine. | Examples of diamino-monocarboxylic acids |
| Sulfur-containing amino acids important in structure and metabolism. | Sulfur-containing amino acids |
| Include cysteine and methionine. | Examples of sulfur-containing amino acids |
| Amino acids with aromatic rings. | Aromatic amino acids |
| Include phenylalanine and tyrosine. | Examples of aromatic amino acids |
| Amino acids containing heterocyclic rings. | Heterocyclic amino acids |
| Include histidine, proline, and tryptophan. | Examples of heterocyclic amino acids |
| Body breaks down proteins into amino acids for building its own proteins. | Role of amino acids |
| Amino acids required in the diet because they cannot be synthesized fast enough by the body. | Essential amino acids (EAA) |
| Amino acids that can be synthesized by the body and are not required in the diet. | Non-essential amino acids (NEAA) |
| Amino acids that must be supplied in the diet to prevent deficiency. | Dietary essential amino acids |
| Amino acids that the body can form from other amino acids. | Dietary non-essential amino acids |
| Examples include arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. | Examples of essential amino acids |
| Examples include alanine, asparagine, aspartic acid, cystine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine. | Examples of non-essential amino acids |
| The amino acid present in the least amount relative to the animal’s needs. | Limiting amino acid |
| The first limiting amino acid in corn-soy diets for pigs. | Lysine |
| Common limiting amino acids in poultry diets, especially corn-soy diets. | Methionine and cystine |
| Protein type with both fibrous and globular forms. | Structural classification of proteins |
| Protein classification based on water solubility. | Classification by solubility |
| Protein that acts as vehicle for transport of fat in blood. | Lipoproteins |
| Protein found in egg yolk and milk that contains phosphorus. | Phosphoproteins |
| Protein found in germ seeds and glandular tissue containing nucleic acids. | Nucleoproteins |
| Protein with carbohydrate component serving as lubricant in body parts. | Glycoproteins |
| Protein that is soluble in water, found in milk, and plays a role in osmotic regulation. | Albumin |
| Protein that is insoluble in water but soluble in salt solutions, such as serum globulin. | Globulin |
| Protein that is soluble in strong alcohol and found in cereal grains. | Prolamin |
| Protein soluble in salt solutions found in glandular tissues. | Histone |
| Protein that provides strength to connective tissues and bones. | Collagen |
| Protein that allows elasticity in ligaments and arteries. | Elastin |
| Protein that provides hardness to nails, hooves, and horns. | Keratin |
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