Triglyceride

Triglyceride Drawing

Triglyceride Definition:
glycerol backbone with 3 fatty acid chains attached

STRUCTURE OF LIPIDS
- Triglyceride

Phospholipid Drawing

Function: repel water, make up cell membranes

Hydrophobic: insoluble = repels water

STRUCTURE OF LIPIDS
- Phospholipid

Multiple Choice

TRUE or FALSE: All lipids are hydrophilic, meaning they attract water.

• True

• False

Multiple Choice

How many fatty acids chains are needed to make a triglyceride?

• 1

• 2

• 3

• 4

FUNCTIONS OF LIPIDS

1. LONG-TERM energy storage in fat

Triglycerides are the most common form of lipids found in food. When we eat lipids, they are stored as fat on our bodies.

FUNCTIONS OF LIPIDS

2. Create Water Barriers

Lipids create water barriers in cell membranes and in plants.

FUNCTIONS OF LIPIDS

3. Cushion & Insulation

• cushion organs

  • shock absorber

• insulation - trapping heat

  • fat help keep maintain body temperature

Multiple Choice

Which of the following is a function of lipids?

• stores genetic information

• long-term energy storage

• breakdown waste

• source of short-term energy

Multiple Choice

Which biomolecule is used for to insulate the body and maintain a stable internal temperature?

• carbohydrates

• proteins

• lipids

• nucleic acids

Dropdown

The

Select answer

is made up of lipids.

Multiple Choice

TRUE or FALSE: Lipids will dissolve in water.

• True

• False