Macronutrients

Question 1

Name the essential polyunsaturated fatty acids

Answer 1

omega-3 (EDA and DHA)

omega-6 (Linoleic acid)

Question 2

What are the functions of fat?

Answer 2

insulation
Energy storage
Substrate for ATP production

Question 3

Glycogen releases more energy than triglycerides. T or F

Answer 3

False

Question 4

What are the purpose of proteins?

Answer 4

Building block

Energy source

Question 5

What are 3 classifications of protein?

Answer 5

Complete protein (provide all essential a.a)
Incomplete protein (lacks some a.a, cannot be used to make tissue)
Complementary protein (can make up for the lack of certain protein)

Question 6

Animal foods contain complete protein while Plant food contain incomplete proteins. T or F

Answer 6

True

Question 7

Fats are stored in the form of fatty acids while carbohydrates is stored in the form of glucose. T or F

Answer 7

False. Fats are stored as triglycerides while carbohydrates are stored as glycogens.

Question 8

1 pound of adipose tissue has how many calories?

Answer 8

3500 cal

energy deficit of 500 calories/ day = 1 pound lost in a week.

Question 9

Application part: Why is too much fat bad for health?

Answer 9

large adipose tissue can put pressure on your joints leading to ostearthritis.
increased inflammation and blood clotting leading to increased heart disease, cancer

Question 10

Describe the general formula of fatty acids

Answer 10

CH3(CH2)nCOOH

Question 11

How to write nomenclature for saturated fatty acids and unsaturated fatty acids?

Answer 11

C7:0
C7:1 (no. after the colon is the number of double bond