Answer
The match for #4 is e (HDLs).
Work Step by Step
High density lipoproteins (HDLs) are complex protein plus lipid molecules that transport cholesterol through the blood stream. The normal healthy range of serum HDL is about 40-60 mg/dL. Higher levels of HDLS are not harmful, but lower levels are undesirable. HDL is the so-called good cholesterol.
