Structure
Lipids are made up of _______ elements
Carbon, Hydrogen, Oxygen and sometimes Phosphorus (phospholipids)
Triglycerides are made of ______ glycerol molecules and ______ fatty acid chains
1, 3
The phosphate head is ________ (hydrophilic/hydrophobic)
hydrophilic
Testosterone is an example of a _________ steroid (anoabolic/catabolic)
anabolic
Name one similarity between carbohydrates and lipids
energy storage
carbon, hydrogen, oxygen elements
Saturated fatty acids have no ________ bonds
double
Triglycerides are formed through ______ type of reaction (condensation/hydrolysis)
condensation
hydrophobic
Steroids are derived from __________ molecules
cholesterol
Name one difference between carbohydrates and lipids
carbohydrates are soluble in water, but lipids are mostly hydrophobic
carbohydrates have more oxygen atoms
carbohydrates are short term energy storage, while lipids are long term energy storage
Unsaturated fatty acids have at least one _______ bond
double
What are the health consequences of consistently high triglyceride levels?
Type 2 diabetes
Hypertension
Phospholipids are great for forming this part of cells
Membranes
The common structure of steriods
3 hexagons and 1 pentagon
what happens if there aren't have enough lipids in a person's diet?
the body will break down proteins into amino acids
Saturated fats are generally _____ at room temperature
solid
Where is one place triglycerides can be found in the human body?
Adipose tissue or blood or liver
In a phospholipid bilayer, the fatty acid tails point _______ and the phosphate groups point ______
inward, outward
True or false: Progesterone is a catabolic steroid
False
How many kilocalories are in 1 gram of carbohydrates?
4 kilo calories
Saturated fats are often found in _______, while unsaturated fats are often found in _________
animals, plants
What is Olivia's favorite triglyceride?
butter!
Phospholipids are _______ because they have a polar region and a non-polar region
amphipathic
True or false: Steroids can pass through the cell membrane
True
How many kilocalories are in 1 gram of fat?
9 kilo calories