WorksheetsLipids
Total questions: 20
Worksheet time: 11mins
Lipids are mostly made out of what elements? Select THREE!!!!
Carbon
Nitrogen
Oxygen
Hydrogen
Which of the following is a main function of a lipid? SELECT TWO
Source of quick energy, genetic code
Long term energy storage (insulation in animals), waterproofing
Makes up cell membranes, signaling (hormones and vitamins)
Transportation of substances in/out of the cell
The characteristic that all lipids have in common is----
made of lots of double bonds
acidic when mixed with water
dissolve well in water (polar)
do not dissolve in water (nonpolar)
True or False
Lipids are hydrophobic
True
False
Saturated fats are __________ at room temperature.
liquid
gases
plasma
solid
more oxygen than hydrogen
at least 1 double or triple bond
ionic bonds
only one fatty acid
This picture shows what type of lipid?
unsaturated fat
phospholipid
saturated fat
steroid
These are the monomer(s) of lipids?
nucleotides
amino acids
monosaccharides
glycerol and fatty acids
Which type of lipid polymer is this?
unsaturated fat
triglyceride
phospholipid
steroid
Which of the following molecules make up the basic structure of a cell membrane and is a lipid polymer?
waxes
steroids
fatty acids
phospholipids
Steroids are lipid polymers and have what kind of structure?
long chain of hydrogen/carbons with a glycerol group
CHO in a hexagonal shape
4 fused rings
polar head and two fatty acid tails
testosterone (a steroid)
triglycerides
cellulose
phospholipids
Process used to MAKE a triglyceride molecule.
Hydrolysis
Dehydration synthesis
Exergonic reaction
When making a triglyceride, how many water molecules are produced?
No water is produce, it is used when making triglycerides.
Only 1 water molecule is produced.
Two water molecules are produced.
Three water molecules are produced.
Which image is NOT a lipid?
