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ANS 3440 Enzymes
Nutritional enzymes
15
Agriculture
Undergraduate 3
01/26/2014

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Cards

Term
What are proteins that are capable of catalyzing a specific chemical reaction?
Definition
Enzymes
Term
Summer in 1926 isolated the first enzyme from the jack bean and received a noble prize. What enzyme was it?
Definition
Urease
Term
All enzymes are proteins, they are specific in there actions, they increase the chemical reaction, most enzyme names end in ASE, they can act alone, and enzymes are sensitive to what 2 things?
Definition
Temperature and pH
Term
What are enzymes with a cofactor?
Definition
Holoenzyme
Term
What are enzymes without a cofactor?
Definition
Apoenzyme
Term
What is a physiological, orgainc, chemical substance, synthesized and secreted by specific ductless glads from which it is directly transported to blood or lymph system and carried to another part of the body where they modify the actions of specific target tissue and organs?
Definition
Hormones
Term
Homeostasis, respond to emergency demands, integration of growth, and regulation of sexual reproduction are all functions of what?
Definition
Hormones
Term
Hormones have what 3 categories?
Definition
Polypeptides, Steroids, and Phenolic amines
Term
What hormone category yields amino acids and is synthesized in the brain, pancreas, thyroid, gut, and reproductive system and can not be taken orally ?
Definition
Polypeptides
Term
What hormone category originates from cholesterol and is synthesized in adernal cortex, embryonic membranes, and the reproductive system and can be taken orally?
Definition
Steroids
Term
What hormone category is synthesized in the thyroid, adrenal medulla, and pineal
Definition
Phenolic Amines
Term
Mechanisms of hormone action works through what?
Definition
Receptor sites at the cell
Term
What are the 3 different locations of hormone action?
Definition
Cell membrane (protein), Cytoplasm (steroid)(most), Nuclear membrane (phenolic)
Term
What are large protein macromolecules with high specificity and affinity?
Definition
Receptors
Term
What are the 2 parts of a receptor?
Definition
Recognition site and Activation site
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