Fats

Question 1

Function of Fats (lipids)

Answer 1

• concentrated energy source
• Helps absorb vitamins, Component of cell membrane
• Insulation

Question 2

composition of fats

Answer 2

• made up of 3 fatty acid chains bonded to a glycerol molecule
• Called a triglyceride

Question 3

Types of fats

Answer 3

Saturated: Solid at room temperature, every carbon bond filled with hydrogen

Unsaturated: oils, liquid at room temp, some carbon bonds are not filled with hydrogen, have carbon double bonds

Steroids: Sex hormones (testosterone, estrogen) & Cholesterol

Cholestrol: Good and bad cholesterol
Essential substance for the body
Too much is harmful for the body
It is a lipid molecule essential for the structure of the cell membrane

Question 4

Sex Hormones

Answer 4

control the development of male and female sex characteristics

Question 5

Daily Energy Needs

Answer 5

Daily Energy Needs: no more than 30% of energy intake
Examples: butter, olive oil, nuts, seeds, beef, salmon, tuna
Stored: AS FAT in body
Adipose tissue