NDFS 100 BYU EXAM #2
1. What are the functions of fat in the body? *pillow*
energy fuel energy stores
cell membranes
emergency reserve
padding (protect organs)
insulation
raw materials
2. What are the functions of fat in food?
nutrients transport
,energy
appetite
texture
satiety
sensory appeal
3. True or False
Fat is the bodies major form of stored energy
true
4. T or F
Fat forms the major material of the cell membranes
true
5. T or F
Fat provides no nutrients
, False; it provide essential fatty acids, fat-soluble vitamins, and other needed compounds.
6. What are the three types of lipids?
triglycerides, phospholipids, sterols
7. What is another name for triglycerides?
fatty acids
8. What is the structure of a triglyceride?
3 fatty acids + 1 glycerol molecule
9. glycerol
3 carbons long - is backbone for triglycerides
10. function of triglyceride
its 95% of all fats in food and in the body
11. In what two ways do fatty acids differ from one another?
, chain length and degree of saturation
12. T or F
the shorter chain fatty acids or more unsaturated ones are harder
False; they are softer
13. What do fatty acids in food do?
Influence the composition of fats in the body
14. What does it mean when a fatty acid is saturated?
every available bond from the carbon chain is holding a hydrogen atom
15. What does it mean when a fatty acid is unsaturated?
the fatty acid carbon chain has a place where hydrogens are missing
1. What are the functions of fat in the body? *pillow*
energy fuel energy stores
cell membranes
emergency reserve
padding (protect organs)
insulation
raw materials
2. What are the functions of fat in food?
nutrients transport
,energy
appetite
texture
satiety
sensory appeal
3. True or False
Fat is the bodies major form of stored energy
true
4. T or F
Fat forms the major material of the cell membranes
true
5. T or F
Fat provides no nutrients
, False; it provide essential fatty acids, fat-soluble vitamins, and other needed compounds.
6. What are the three types of lipids?
triglycerides, phospholipids, sterols
7. What is another name for triglycerides?
fatty acids
8. What is the structure of a triglyceride?
3 fatty acids + 1 glycerol molecule
9. glycerol
3 carbons long - is backbone for triglycerides
10. function of triglyceride
its 95% of all fats in food and in the body
11. In what two ways do fatty acids differ from one another?
, chain length and degree of saturation
12. T or F
the shorter chain fatty acids or more unsaturated ones are harder
False; they are softer
13. What do fatty acids in food do?
Influence the composition of fats in the body
14. What does it mean when a fatty acid is saturated?
every available bond from the carbon chain is holding a hydrogen atom
15. What does it mean when a fatty acid is unsaturated?
the fatty acid carbon chain has a place where hydrogens are missing
