AAMI BIOCHEMISTRY EXAM
QUESTIONS AND ANSWERS
Biochemistry - Answer-Studies structure organization & interaction of substances within
living matter
Chemical process of living organism
The study chemistry
"aka" biological/ physiological chemistry
Carbohydrates - Answer-Either aldehydes or ketone derivatives of poly-hydroxy alcohol
Result from oxidation of polyhydroxy alcohol (many OH group) - Answer-Carbohydrates
Named using suffix "ose" - Answer-Carbohydrates
Carbohydrates derived from "CHO" Aldehydes are called - Answer-Aldoses
Carbohydrates Derived from "CO" Ketones - Answer-Ketoses
Chemical nature of carb are organic compounds of 3 elements Carbon, Hydrogen,
Oxygen - Answer-Carbohydrates
H & O are always found in the same proportion: 2 H for every 1-Oxygen - Answer-
Carbohydrates
Class of compounds are associated with sugars and starches - Answer-Carbohydrates
2 major groups of Carbs - Answer-Aldose sugars
Ketose sugars
Primary form of sugar stored in blood &tissues of animals which supplies energy -
Answer-Glucose
Liquid energy receive "Fight or Flight" fuel stored in muscles and liver - Answer-
Glycogen (polysaccharide)
Have to do with nutrition
Excellent source of energy
Provide 4 Calories pr gram - Answer-Monosaccharides
Glucose - Answer-Occurs in nature from juices of fruit & tree sap
Known as blood sugar
Examples of Monosaccharides/ Aldose sugar - Answer-GLUCOSE
GALACTOSE
FRUCTOSE
Galactose- CH2OH - Answer-Found to be a constituent of brain & nerve tissue
Formed by hydrolysis of lactose or milk sugar - Answer-Galactose
Free in nature in sap of plants, honey, and most fruits - Answer-Fructose/ fruit sugar
Fructose/ fruit sugar: ketose - Answer-Sweetest of all sugar
Body converts fructose into - Answer-glucose
Have the same chemical formula - Answer-glucose & fructose
Disaccharides - Answer-2 molecules of monosaccharides linked together
Addition of H2O (hydrolysis) breaks disaccharide apart into - Answer-2
monosaccharides
Disaccharides which contain hexose monosaccharides are - Answer-Lactose / Milk
Sugar
Sucrose / Table Sugar
Maltose/ Malt Sugar
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