________ yield about 4 kcal/g when completely oxidized, whereas ________ yield about 9 kcal/g.
A. Fats; carbohydrates and proteins
B. Carbohydrates and fats; proteins
C. Proteins; fats and carbohydrates
D. Carbohydrates; fats and proteins
E. Proteins and carbohydrates; fats
Answer: E
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Receptor-mediated endocytosis removes ________ molecules from plasma, delivering cholesterol to the tissues.
A. triglycerides B. LDL C. HDL D. VLDL
Match each of the terms with its definition or description.
a. digestion b. absorption c. amylase d. bile e. maltase f. lipase g. pepsin h. monosaccharides i. glycerol j. amino acids k. mastication l. lactase m. hydrochloric acid n. trypsin o. deglutition p. sucrase 1. _____ Causes the emulsification of fats 2. _____ Enzyme that reduces complex carbohydrates to maltose 3. _____ This and fatty acids are the end products of fat digestion 4. _____ Enzyme that converts maltose to simple sugars 5. _____ Enzyme that is responsible for the chemical digestion of fats 6. _____ Movement of digested food from the digestive system to the blood or lymph 7. _____ End product of carbohydrate digestion 8. _____ A protein enzyme that must be activated by hydrochloric acid in the stomach 9. _____ End product of protein digestion 10. _____ Physical and chemical changes in food that prepare it for movement into the blood or lymph 11. _____ Another word for swallowing 12. _____ Enzyme that digests cane sugar 13. _____ Substance needed to convert pepsinogen to pepsin 14. _____ Another word for chewing 15. _____ Protein-digesting enzyme in pancreatic juice 16. _____ Enzyme that digests milk sugar
The triangular renal pyramids are separated by ________
A) renal papilla B) major calyces C) minor calyces D) renal columns
Hypersensitivity is usually caused by _________.
A. a complete antigen B. bacterium C. a hapten D. a virus