Mac 9: R Flashcards
True or False
The primary function of lipids is as our primary stored forms of energy.
-False
Fill in the blanks \_\_\_\_ are compounds which are carboxylic acids with hydrocarbon chains ranging from 4 to 36 C long. Compounds in this class of biomolecules that have one or more carbon double bonds in their structure are known as \_\_\_\_\_.
- Fatty acids
- Unsaturated fatty acids
True or False
Fat is composed of the same basic chemical elements as carbohydrates.
-True
Fill in the blanks \_\_\_\_ are particles produced in the liver that carry fat or lipids in the blood. The class of these molecules which carries what is known as "bad" cholesterol is known as
-Lipoproteins or LDL
Which of the following statements are correct regarding the saturation of fats?
- The degree of saturation depends on the relative amount of hydrogen in the fatty acid that make up the fat.
- The more unsaturated fatty acids have higher melting points.
- The more saturated the fat, the softer it tends to be.
- Fats composed of fatty acids with 2 or more double bonds in their structure are called polyunsaturated.
- 2 and 4
- 1 and 4
- 1 and 2
- 3 and 4
-1 and 4
True or False
Fat has the same energy value as carbohydrates.
-False (not the same)
Which of the following are composed of unsaturated fatty acids?
- Pork lard
- Butter
- Olive Oil
- Avocado Oil
- Margarine
- Corn Oil
- Corn Oil
- Avocado Oil
- Olive Oil
Which of the following lipids are found in the biomembranes?
- Thromboxanes
- Glycolipids
- Cholesterol
- Prostaglandins
- Glycerophospholipids
- Leukotrienes
- Waxes
- Sphingolipids
- Glycerophospholipids
- Sphingolipids
- Cholesterol
- Glycolipids
This lipid is a precursor of male and female sex hormones and bile salts.
- Tocopherol
- Beta carotene
- Cholecalciferol
- Cholesterol
-Cholesterol
Fill in the blanks
The simplest fats that are constructed with glycerol backbone and 3 fatty acids are known as _____.
-Triglycerides
The fuel form of fat found in food sources is?
- Glycerol
- Sphingosine
- Fatty acid
- Triglyceride
-Triglyceride
If a person goes on a low-saturated fat diet to lower his risk of heart disease, which of the following foods would he consume frequently?
- Butter
- Olive Oil-Vinegar Salad -Dressing
- Cheddar Cheese
- Whole Milk
-Olive Oil-Vinegar Salad Dressing
