Fats

Question 1

Characteristics of essential fatty acids

Answer 1

Linoleic acid, linolenic acid, body cannot make the essential fatty acids, 5-10% of calories from linoleic and .6-1.2% from Linolenic

Question 2

Describe polyunsaturated fatty acids

Answer 2

Have >1 double bond in the carbon chain, found in plant oils, liquid at room temp, some essential for the body

Question 3

Describe monounsaturated fatty acids

Answer 3

Have 1 double bond in the carbon chain, are healthy, high levels in olive oil, semisolid when refrigerated, liquid at room temp

Question 4

Describe saturated fatty acids

Answer 4

Have 0 double bonds between the carbons, are solid at room temp, unhealthy, found in animal products

Question 5

What is caloric density

Answer 5

Refers to the calories yielded per weight of the substance

Question 6

What are the categories of fats

Answer 6

Triglycerides, phospholipids, sterols

Question 7

What is linoleic acid

Answer 7

Omega 6 fatty acid

Question 8

What is Linolenic acid

Answer 8

Omega 3

Question 9

How many calories should come from fats

Answer 9

20-35%

Question 10

What are phospholipids used for

Answer 10

Make cell membranes