Short-chain fatty acids are usually liquid at room temperature while long-chain fatty acids are ...

Short-chain fatty acids are usually liquid at room temperature while long-chain fatty acids are usually solid at room temperature. The explanation for this difference is that
 
 A. chain length affects the temperature at which a fatty acid melts.
  B. chain length affects water solubility.
  C. chain length is modified by room temperature.
  D. short-chain fatty acids generally have more double bonds than long-chain fatty acids.

Q. 2

Fatty acids are distinguished from one another by their chain length and
 
 A. the presence of an alpha end with a carboxylic acid group.
  B. the presence of an omega end with a methyl group.
  C. the number and positions of double bonds within the molecule.
  D. the presence of nitrogen in the carbon chain.

Q. 3

The Acceptable Macronutrient Distribution Range (AMDR) for lipids is
 
 A. <30 of total energy intake.
  B. 10-35 of total energy intake.
  C. 20-35 of total energy intake.
  D. 45-65 of total energy intake.

Q. 4

The 2010 Dietary Guidelines for Americans and the American Heart Association both recommended that adults consume less than _____ mg of cholesterol each day.
 
 A. 100
  B. 200
  C. 300
  D. 500

Q. 5

The primary function of HDL particles is to
 
 A. deliver fatty acids to cells.
  B. deliver cholesterol to cells.
  C. deliver fatty acids to the liver.
  D. pick up cholesterol from nonliver cells and deliver it to the liver.

Q. 6

Cells take up LDL particles
 
 A. using lipoprotein lipase.
  B. using the LDL receptor.
  C. by simple diffusion.
  D. using the insulin receptor.

Q. 7

The primary function of LDL particles is to
 
 A. deliver fatty acids to cells.
  B. deliver cholesterol to cells.
  C. deliver fatty acids to the liver.
  D. pick up cholesterol from nonliver cells and deliver it to the liver.

Q. 8

Cholesterol-rich low-density lipoproteins (LDL) are produced
 
 A. in the liver.
  B. in the small intestine.
  C. in the blood by continued removal of fatty acids from IDL particles.
  D. in the blood by continued cholesterol pick-up by HDL particles.

Q. 9

Lipoproteins all have similar structures. The outer surface of all lipoproteins consists of phospholipids, cholesterol, and at least one special protein called
 
 A. an apolipoprotein.
  B. a lipid transport protein.
  C. a lipo-protein.
  D. an activating protein.

Q. 10

Chylomicron remnants are taken up into the _____, where their contents are reused or recycled.
 
 A. liver
  B. kidneys
  C. pancreas
  D. adipose tissue