PROFESSIONAL PREP PACK BUNDLED
QUESTION BANK
◉ Fatty acids can naturally be saturated or unsaturated. A saturated fatty
acid has. Answer: .
All single covalent bonds
◉ Triglycerides, a type of fat, are composed of what two subunits?.
Answer: Fatty acids and glycerol
◉ What would you have to do to make a fat from the fatty acid shown
above?. Answer: Attach it to a glycerol along with two other fatty acids.
◉ If one or more of the fatty acids in a triglyceride include omega-3
fatty acids, what can you predict about this substance at room
temperature?. Answer: It is a liquid oil
◉ What kinds of molecules are the major fuel for the salmon's long
trip?. Answer: Triglycerides (fats / oils)
◉ Based on your knowledge of the structure of triglycerides, what
products would you expect to result from the complete hydrolysis of a
fat molecule? More than one is correct.. Answer: Fatty acids and
glycerol
, ◉ The blubber layer helps insulate mammals and birds that live in cold
water; fat does not conduct heat very quickly. Applying what you know
about lipids, what is the main advantage of covering feathers or fur in
oil?. Answer: Oil sheds water and keeps underlying layers of fur or
downy feathers dry.
◉ Another type of lipid that composes cells are called phospholipids.
Phospholipids differ from other lipids because they. Answer: Contains a
hydrophobic and hydrophilic end
◉ Highly simplified diagram of a membrane's structure is made up of.
Answer: Phospholipids
◉ Which part of the molecules is hydrophilic?. Answer: The heads
◉ Ions of salt (sodium, NA+, and chloride, Cl−) are highly hydrophilic.
Will they easily pass through the layer to enter or leave a cell?. Answer:
No.
◉ What are molecules?. Answer: Molecules are made of atoms
◉ Below is an image of the smallest amino acid: Glycine. What does
each line in the picture of the amino acid represent?. Answer: A shared
pair of electrons in a covalent bond.