2.5 Macronutrients: Fats

Question 1

What are lipids?

Answer 1

macronutrients that provide 9kcal/gram of energy

Question 2

What one characteristic do all lipids share?

Answer 2

hard to dissolve in water

Question 3

What are the three primary types of lipids?

Answer 3

triglycerides
phospholipids
sterols

Question 4

What are triglycerides?

Answer 4

fatty acids

Question 5

What are fatty acids?

Answer 5

simplest form of fats; chain of carbons linked together and surrounded by hydrogen molecules

Question 6

What composes the ends of the fatty acid chains?

Answer 6

acid group and a methyl group

Question 7

What are saturated fats?

Answer 7

fats with no carbon-carbon double bonds

Question 8

What are unsaturated fats?

Answer 8

fats with one or more carbon-carbon double bonds

Question 9

What are the three types of unsaturated fats?

Answer 9

mono
poly
trans

Question 10

What form are saturated fats at room temperature?

Answer 10

solid

Question 11

Where are saturated fats mainly found?

Answer 11

animal foods

Question 12

What form are monounsaturated fats mainly found as?

Answer 12

liquid at room temperature

Question 13

What are sources of monounsaturated fats?

Answer 13

canola oil
olive oil

Question 14

What form are polyunsaturated fats mainly found as?

Answer 14

liquid at room temperature

Question 15

What are examples of polyunsaturated fats?

Answer 15

corn
soybean
sunflower oils

Question 16

What are omega-3 fatty acids?

Answer 16

double bond is located on the third carbon from the methyl end

Question 17

What are sources of omega-3 fatty acids?

Answer 17

soybean
canola oil
walnuts
flaxseed
salmon
tuna
mackerel

Question 18

What are omega-6 fatty acids?

Answer 18

double bond is located on the sixth carbon from the methyl end

Question 19

What are sources of omega-6 fatty acids?

Answer 19

vegetable oils